Alternative spelling of cross section

(idiomatic) The best or most desirable among some selection.

(nautical) A turbulent stretch of water caused by multiple currents. / (by extension) A situation in which there are conflicting opinions.

(military) Lines of fire from multiple positions that cross in a small region / (by extension) A heated confrontation between opposing factions.

(rail transport) An at-grade junction between two crossing railroad tracks.

(idiomatic) To make an irreversible decision or to take an action with consequences.

The transfer of a contaminant from one source to another.

To transfer a contaminant from one source to another.

Of or pertaining to two or more political parties.

(normally confined to the expression come a cropper) A fall, a tumble; a decided failure.