Word Games Pro Dictionaryclast noun(geology) a constituent fragment of a clastic rock ⧉Copy definition ↗Share ▣Print / Save PDFQuick referenceWord FactsWord length5Starts withCEnds withTContainsLAScrabble score7Database sourceOEWN 2025 CoreMeaningDefinitionsnoun(geology) a constituent fragment of a clastic rockKeep exploringRelated Tools Word Unscrambler Build words from mixed letters. → Scrabble Finder Find playable words and scores. → Word Finder Search A–Z word lists and patterns. → Starts With C Words beginning with C. → Ends With T Words ending with T. → 5 Letter Words Explore verified 5-letter words. →