Crossword clues for the word: SERACS The word SERACS has appeared as an answer to at least 11 crossword clues on different crossword puzzles. Crossword clues for SERACS Showing 1 to 11 of 11 results Clue(s) Blocks of glacial ice Glacial blocks Glacial formations Glacial ice. Glacial masses Glacial phenomena Glacial pinnacles Ice formations. Ice pinnacles. Masses of ice Sharp ridges