Function and Lock

noun

• Mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function. ()
  • synonyms: mathematical function, single-valued function, map, mapping
• What something is used for.
  • usage: "the function of an auger is to bore holes"; "ballet is beautiful but what use is it"
  • synonyms: purpose, role, use
• The actions and activities assigned to or required or expected of a person or group.
  • usage: "the function of a teacher"; "the government must do its part"; "play its role"
  • synonyms: office, part, role
• A relation such that one thing is dependent on another.
  • usage: "height is a function of age"; "price is a function of supply and demand"
• A formal or official social gathering or ceremony.
  • usage: "it was a black-tie function"
• A vaguely specified social event.
  • usage: "the party was quite an affair"; "an occasion arranged to honor the president"; "a seemingly endless round of social functions"
  • synonyms: affair, occasion, social occasion, social function
• A set sequence of steps, part of larger computer program.
  • synonyms: routine, subroutine, subprogram, procedure

verb

• Perform as expected when applied.
  • usage: "The washing machine won't go unless it's plugged in"; "Does this old car still run well"; "This old radio doesn't work anymore"
  • synonyms: work, operate, go, run
• Serve a purpose, role, or function.
  • usage: "The tree stump serves as a table"; "The female students served as a control group"; "This table would serve very well"; "His freedom served him well"; "The table functions as a desk"
  • synonyms: serve
• Perform duties attached to a particular office or place or function.
  • usage: "His wife officiated as his private secretary"
  • synonyms: officiate

• (v.i.) Alternative of Functionate.
• (n.) The course of action which peculiarly pertains to any public officer in church or state; the activity appropriate to any business or profession.
• (n.) A quantity so connected with another quantity, that if any alteration be made in the latter there will be a consequent alteration in the former. Each quantity is said to be a function of the other. Thus, the circumference of a circle is a function of the diameter. If x be a symbol to which different numerical values can be assigned, such expressions as x2, 3x, Log. x, and Sin. x, are all functions of x.
• (n.) The act of executing or performing any duty, office or calling; per formance.
• (n.) The appropriate action of any special organ or part of an animal or vegetable organism; as, the function of the heart or the limbs; the function of leaves, sap, roots, etc.; life is the sum of the functions of the various organs and parts of the body.
• (n.) The natural or assigned action of any power or faculty, as of the soul or of the intellect; the exertion of an energy of some determinate kind.
• (n.) A public or social ceremony or gathering; a festivity or entertainment, especially one somewhat formal.
• (n.) A religious ceremony, especially one particularly impressive and elaborate.

noun

• A fastener fitted to a door or drawer to keep it firmly closed.
• A strand or cluster of hair.
  • synonyms: curl, ringlet, whorl
• A mechanism that detonates the charge of a gun.
• Enclosure consisting of a section of canal that can be closed to control the water level; used to raise or lower vessels that pass through it.
  • synonyms: lock chamber
• A restraint incorporated into the ignition switch to prevent the use of a vehicle by persons who do not have the key.
  • synonyms: ignition lock
• Any wrestling hold in which some part of the opponent's body is twisted or pressured.

verb

• Fasten with a lock.
  • usage: "lock the bike to the fence"
• Keep engaged.
  • usage: "engaged the gears"
  • synonyms: engage, mesh, operate
• Become rigid or immoveable.
  • usage: "The therapist noticed that the patient's knees tended to lock in this exercise"
• Hold in a locking position.
  • usage: "He locked his hands around her neck"
  • synonyms: interlock, interlace
• Become engaged or intermeshed with one another.
  • usage: "They were locked in embrace"
  • synonyms: interlock
• Hold fast (in a certain state. )
  • usage: "He was locked in a laughing fit"
• Place in a place where something cannot be removed or someone cannot escape.
  • usage: "The parents locked her daughter up for the weekend"; "She locked her jewels in the safe"
  • synonyms: lock in, lock away, put away, shut up, shut away, lock up
• Pass by means through a lock in a waterway.
• Build locks in order to facilitate the navigation of vessels. .

• (n.) Anything that fastens; specifically, a fastening, as for a door, a lid, a trunk, a drawer, and the like, in which a bolt is moved by a key so as to hold or to release the thing fastened.
• (n.) A device for keeping a wheel from turning.
• (v.t.) To prevent ingress or access to or exit from, by fastening the lock or locks of; -- often with up; as, to lock or lock up, a house, jail, room, trunk. etc.
• (v.i.) To become fast, as by means of a lock or by interlacing; as, the door locks close.
• (n.) The barrier or works which confine the water of a stream or canal.
• (n.) A tuft of hair; a flock or small quantity of wool, hay or other like substance; a tress or ringlet of hair.
• (v.t.) To furnish with locks; also, to raise or lower (a boat) in a lock.
• (v.t.) To link together; to clasp closely; as, to lock arms.
• (v.t.) To seize, as the sword arm of an antagonist, by turning the left arm around it, to disarm him.
• (n.) An inclosure in a canal with gates at each end, used in raising or lowering boats as they pass from one level to another; -- called also lift lock.
• (n.) That part or apparatus of a firearm by which the charge is exploded; as, a matchlock, flintlock, percussion lock, etc.
• (v.t.) To fasten in or out or to make secure by means of or as with, locks; to confine or to shut in or out -- often with up; as, to lock one's self in a room; to lock up the prisoners; to lock up one's silver; to lock intruders out of the house; to lock money into a vault; to lock a child in one's arms; to lock a secret in one's breast.
• (n.) A grapple in wrestling.
• (v.t.) To fasten with a lock or as with a lock; to make fast; to prevent free movement of; as, to lock a door, a carriage wheel, a river, etc.
• (n.) A place from which egress is prevented, as by a lock.
• (n.) A fastening together or interlacing; a closing of one thing upon another; a state of being fixed or immovable.

Lock is used in the context of general equities. Make a market both ways (bid andoffer) either on the bid, offering, or an in-between price only. Locking on the offering occurs to attract a seller, since the trader is willing to pay (and ask) the offering side when others only ask it. Locking on the bid side attracts buyers for similar reasons. Typically, the sell side requires a plus tick to comply with short sale rules.