(nautical) A (dangerous) sea with two wave systems traveling at oblique angles, due to the wind over it shifting direction or the waves of two storm systems meeting.

(ecclesiastical, obsolete) A archbishop's cross. / (historical) An early instrument, consisting of a wooden rod with a sliding crosspiece, used for measuring the altitude of a star or for surveying.

Alternative spelling of cross section

(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.

Alternative spelling of crosstalk

Alternative form of cross-examine