Complement and Sing

complement

A word or phrase used to complete a grammatical construction.
A complete number or quantity.
- usage: "a full complement"
Number needed to make up a whole force.
- usage: "a full complement of workers"
- synonyms: full complement
Something added to complete or embellish or make perfect.
- usage: "a fine wine is a perfect complement to the dinner"; "wild rice was served as an accompaniment to the main dish"
- synonyms: accompaniment
One of a series of enzymes in the blood serum that are part of the immune response.
Either of two parts that mutually complete each other.

Make complete or perfect; supply what is wanting or form the complement to.
- usage: "I need some pepper to complement the sweet touch in the soup"

(v.t.) To supply a lack; to supplement.
(v.t.) The whole working force of a vessel.
(v.t.) Something added for ornamentation; an accessory.
(v.t.) To compliment.
(v.t.) A second quantity added to a given quantity to make it equal to a third given quantity.
(v.t.) A compliment.
(v.t.) Full quantity, number or amount; a complete set; completeness.
(v.t.) The interval wanting to complete the octave; -- the fourth is the complement of the fifth, the sixth of the third.
(v.t.) That which fills up or completes; the quantity or number required to fill a thing or make it complete.
(v.t.) That which is required to supply a deficiency or to complete a symmetrical whole.

Webster's Revised Unabridged Dictionary

sing

Deliver by singing.
- usage: "Sing Christmas carols"
Produce tones with the voice.
- usage: "She was singing while she was cooking"; "My brother sings very well"
To make melodious sounds.
- usage: "The nightingale was singing"
Make a whining, ringing, or whistling sound.
- usage: "the kettle was singing"; "the bullet sang past his ear"
- synonyms: whistle
Divulge confidential information or secrets.
- usage: "Be careful-his secretary talks"
- synonyms: spill the beans, let the cat out of the bag, talk, tattle, blab, peach, babble, babble out, blab out

(v.i.) To tell or relate something in numbers or verse; to celebrate something in poetry.
(v.t.) To influence by singing; to lull by singing; as, to sing a child to sleep.
(v.i.) To make a small, shrill sound; as, the air sings in passing through a crevice.
(v.i.) Ti cry out; to complain.
(v.t.) To utter with musical infections or modulations of voice.
(v.i.) To utter sounds with musical inflections or melodious modulations of voice, as fancy may dictate or according to the notes of a song or tune or of a given part (as alto, tenor, etc.) in a chorus or concerted piece.
(v.t.) To accompany or attend on, with singing.
(v.i.) To utter sweet melodious sounds, as birds do.
(v.t.) To celebrate is song; to give praises to in verse; to relate or rehearse in numbers, verse or poetry.

Webster's Revised Unabridged Dictionary