Main Entry: in·ter·sect

Pronunciation: \ˌin-tər-ˈsekt\

Function: verb

Etymology: Latin intersectus, past participle of intersecare, from inter- + secare to cut — more at saw

Date: 1615

transitive verb : to pierce or divide by passing through or across : cross <a comet intersecting earth's orbit> <one line intersects another>intransitive verb 1 : to meet and cross at a point <lines intersecting at right angles>
2 : to share a common area : overlap <where morality and self-interest intersect>