Intersect and Span

intersect

(v.t.) To cut into or between; to cut or cross mutually; to divide into parts; as, any two diameters of a circle intersect each other at the center.
(v.i.) To cut into one another; to meet and cross each other; as, the point where two lines intersect.

Webster's Revised Unabridged Dictionary

span

The complete duration of something.
- usage: "the job was finished in the span of an hour"
The distance or interval between two points.
Two items of the same kind.
- synonyms: couple, pair, twosome, twain, brace, yoke, couplet, distich, duo, duet, dyad, duad
A unit of length based on the width of the expanded human hand (usually taken as 9 inches. )
A structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc..
- synonyms: bridge
The act of sitting or standing astride.
- synonyms: straddle

To cover or extend over an area or time period.
- usage: "Rivers traverse the valley floor, "The parking lot spans 3 acres"; "The novel spans three centuries"
- synonyms: cross, traverse, sweep

(v.t.) Hence, a small space or a brief portion of time.
(v.t.) The spread or extent of an arch between its abutments or of a beam, girder, truss, roof, bridge or the like, between its supports.
(v.t.) A pair of horses or other animals driven together; usually, such a pair of horses when similar in color, form, and action.
(v.t.) To measure by the span of the hand with the fingers extended or with the fingers encompassing the object; as, to span a space or distance; to span a cylinder.
(v.t.) To reach from one side of to the order; to stretch over as an arch.
(v.t.) The space from the thumb to the end of the little finger when extended; nine inches; eighth of a fathom.
imp. & p. p. of Spin.
(v.t.) To fetter, as a horse; to hobble.
(v.t.) A rope having its ends made fast so that a purchase can be hooked to the bight; also, a rope made fast in the center so that both ends can be used.
(v.i.) To be matched, as horses.
(imp.) of Spin.

Webster's Revised Unabridged Dictionary

To cover all contingencies within a specified range.