“Certain arm muscles, for short” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.TRIS is the answer to the New York Times crossword clue “Certain arm muscles, for short”. It was last seen in the puzzle of August 25, 2025, where it runs at 44 Across and fills 4 squares. It crosses 4 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.