Crossword (noun)

A game or puzzle in which words are placed in a grid pattern, with other words being placed in the grid according to their intersecting letters.

Origin:

The term crossword originated in the early 20th century, it"s a combination of the words "cross" and "word" describing its format in which the words are arranged in a grid pattern with the letters intersecting at certain points.

Examples:

1. I love solving crosswords in my spare time.
2. The daily crossword in the newspaper is always a challenge.
3. I'm stuck on this crossword, can you give me a hint?
4. Crosswords are a great way to improve your vocabulary.
5. I can't believe I got stuck on a crossword for 2 hours.