(countable) A pattern of crossed lines.

(countable) A mark or cross, such as the signature of a person who is unable to write.

(countable) A kind of crossword puzzle having no clues or definitions, but only a list of words that must be fitted into the grid.

(transitive) To move back and forth over or through.

(transitive) To mark with crossed lines.

Marked with crossed lines.

Crossing one another.