noun🔗ShareOne who, or that which, prevents."The screen protector acted as a preventer, stopping the phone's glass from cracking when it fell. "medicinedevicetechnologyChat with AIVocabulary GamePractice Reading
noun🔗ShareAn arrangement, made with ropes and blocks, that prevents the boom of a sailing boat from performing a jibe."The sailor carefully rigged the preventer to stop the boom from swinging unexpectedly during the turn. "nauticalsailingtechnicalChat with AIVocabulary GamePractice Reading
noun🔗ShareAny of various lines set up to reinforce or relieve ordinary running or standing rigging."During the storm, we added a preventer to the boom to keep it from swinging wildly and causing damage. "nauticalsailingChat with AIVocabulary GamePractice Reading