This clue appeared in the NYT Crossword on Sunday, December 21, 2025 (20 Across). The answer is hidden below until you want it. Sunday puzzles are large (21 by 21) and themed, about as hard as a Wednesday or Thursday.
Answer length: 9 squares
First letter
T _ _ _ _ _ _ _ _
First and last letters
T _ _ _ _ _ _ _ O
Show the answer
About the answer
TETROMINO as a word: (geometry) A polyomino made up of four squares connected edge to edge.
TETROMINO has been an answer once in the NYT Crossword and Mini puzzles we have on file, which go back to October 23, 2025.
More clues from this puzzle
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