noun🔗ShareA knurl."The mechanic tightened the bolt with a tool that had a knurl to provide a better grip. "thingitemChat with AIVocabulary GamePractice Reading
noun🔗ShareThe small wooden ball in the game of trap ball, or knurr and spell."The boy carefully placed the knurr on the trap, ready to launch it with his spell. "sportgameitemChat with AIVocabulary GamePractice Reading
