Crossword clues for the word: COTTER The word COTTER has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for COTTER Showing 1 to 10 of 10 results Clue(s) ___ pin (fastening device) "Two-pronged fastener, ___ pin" English farm worker. Fastening pin Machine pin Machinist's holding pin Machinist's pin Securing pin Wedge-shaped pin Wedge-shaped pin on a sea animal