The Collaborative International Dictionary of English v.0.48:

Intersect \In`ter*sect"\, v. i.
   To cut into one another; to meet and cross each other; as,
   the point where two lines intersect.
   [1913 Webster] intersectant

The Collaborative International Dictionary of English v.0.48:

Intersect \In`ter*sect"\, v. t. [imp. & p. p. Intersected; p.
   pr. & vb. n. Intersecting.] [L. intersectus, p. p. of
   intersecare to intersect; inter + secare to cut. See
   Section.]
   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.
   [1913 Webster]

         Lands intersected by a narrow frith
         Abhor each other.                        --Cowper.
   [1913 Webster]

WordNet (r) 3.0 (2006):

intersect
    v 1: meet at a point [syn: intersect, cross]

Moby Thesaurus II by Grady Ward, 1.0:

76 Moby Thesaurus words for "intersect":
   accord, agree, answer to, approach, assent, assort with, bar,
   be consistent, be of one, be uniform with, bisect, center,
   centralize, check, chime, close, close in, close up, close with,
   cohere, coincide, come together, concenter, concentralize,
   concentrate, concur, conform, conform with, consist with, converge,
   cooperate, correspond, crisscross, cross, crossbar, crosscut,
   cruciate, cut across, decussate, dovetail, fall in together,
   fall in with, fit together, funnel, go together, go with,
   hang together, harmonize, hit, hold together, intercross,
   interlock, jibe, lie across, lock, match, meet, narrow the gap,
   nip, overlap, parallel, pinch, register, register with, respond to,
   run together, sing in chorus, sort with, square, square with,
   stand together, tally, taper, transverse, traverse, unite