What does "crossword" mean?

A word puzzle in which interlocking words are entered usually horizontally and vertically into a grid based on clues given for each word.

How do you pronounce "crossword"?

Pronounced //ˈkɹɒswɜː(ɹ)d//.

Common synonyms include: crossword puzzle, crossword related, crossword style, puzzle, puzzle based, word puzzle.

/ˈkɹɒswɜː(ɹ)d/ noun, slang

noun, slang ·Moderate ·College level

Noun

1
A word puzzle in which interlocking words are entered usually horizontally and vertically into a grid based on clues given for each word.
2
a puzzle in which words corresponding to numbered clues are to be found and written in to squares in the puzzle wordnet
3
The grid of such a puzzle. broadly, informal
"HOW TO ENTER::Fill in the crossword and send it to CROSSWORD No.54, DRUM, 176 Main Street, Johannesburg"

"He is involved in working out a crossword puzzle."

From cross + word.