Of the form of a cross.

Across a border.

Taking place across a border.

present participle of cross-reference

(nautical) Two horizontal beams at the top of the lower and top masts, used to spread rigging and as a standing place for sailors.

Any of several forms of cross whose arms are narrow at the center and broad at the extremities.

(law) The interrogation or questioning of a witness by the party against whom they have been called and examined. / (by extension) Any intense period of questioning, especially if hostile.

(cricket) The bat, when swung in a horizontal arc.

(cricket) Of a shot played with a cross bat.

(botany) Fertilization by the transfer of pollen from an anther of one plant to a stigma of another. / (figuratively) Inspiration, stimulation, or influence between diverse elements.