From WordNet (r) 2.0 (August 2003) [wn]:
intersect
v : meet at a point [syn: cross]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
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]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
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