nounπShareThe projection of a mammary gland from which, on female mammals, milk is secreted."The baby gently tugged on her mother's nipples while nursing. "anatomyorganbodyphysiologysexbiologyhumanChat with AIVocabulary GamePractice Reading
nounπShareA mechanical device through which liquids or gases can be passed in a regulated manner."The plumber tightened the nipples on the pipes to stop the water leak. "devicemachinetechnicalpartChat with AIVocabulary GamePractice Reading
nounπShareAn artificial nipple (definition 1) used for bottle-feeding infants."The baby was fussy until Mom replaced the bottle's worn-out nipples with new ones. "bodyutensilfamilyitemdevicemedicineChat with AIVocabulary GamePractice Reading
nounπShareAny small physical protrusion, such as the lumps on the F and J keys on computer keyboards.""I rely on the small nipples on the F and J keys to type quickly without looking at the keyboard." "partbodytechnologymachineanatomyChat with AIVocabulary GamePractice Reading
nounπShareAny small physical protrusion on an automotive, a machine part or any other part that fits into a groove on another part."The new bicycle has small nipples that fit into the frame's grooves. "technicalmachinepartdevicetechnologyChat with AIVocabulary GamePractice Reading
nounπShareA perforated segment that fits into part of the breech of a muzzle-loading gun, on which the percussion cap is fixed."The gunsmith carefully inspected the nipples on the antique rifle, ensuring they were clean and free from corrosion to allow the percussion caps to ignite properly. "partweapontechnicalmachinemilitaryitemChat with AIVocabulary GamePractice Reading
nounπShareA short tube threaded at both ends, used as a connector."The plumber used several nipples to connect the pipes under the sink, preventing any leaks. "technicalpartmachinedeviceutilityChat with AIVocabulary GamePractice Reading
nounπShareAn internally threaded piece which holds a bicycle spoke in place on the rim."Turn the nipples on to the bicycle spokes only one turn, for each spoke on the new wheel all the way around until they are all snug, then check alignment."partvehicletechnicalChat with AIVocabulary GamePractice Reading
