noun🔗ShareA cylindrical recess, typically machined around a hole to admit a screw so that it sits flush with a surface."The carpenter used a countersink to make sure the screw head was level with the surface of the wooden tabletop. "technicalmachinestructurebuildingindustrypartChat with AIVocabulary GamePractice Reading
verb🔗ShareTo create such a conical recess."to countersink a hole for a screw"technicalmachinebuildingChat with AIVocabulary GamePractice Reading
verb🔗ShareTo cause to sink even with or below the surface."to countersink a screw or bolt into woodwork"technicalmachineindustryChat with AIVocabulary GamePractice Reading