Definitions

1. noun

a puzzle in which words are filled into a grid, the answers being indicated by numbers or letters, usually with clues to help solve the puzzle

“She spent hours working on the crossword and finally completed it.”

2. verb

to fill in the answers to a crossword puzzle

“He crosswords every day to keep his mind sharp.”

3. verb

to fill or cross something, such as lines or patterns

“The artist crosswords the paper with intricate designs.”