intersect

verb

Etymology: From Latin intersecare (“to cut between, cut off”), from inter (“between”) + secare (“to cut”).

1. To cut into or between; to cut or cross mutually; to divide into parts.

   “Parallel lines don't intersect.”

   “Any two diameters of a circle intersect each other at the centre.”

2. Of two sets, to have at least one element in common.