n.
Pronunciation: ' ni-p ə l
Function: noun
Etymology: earlier neble, nible, probably diminutive of neb, nib
Date: circa 1530
1 : the protuberance of a mammary gland upon which in the female the lactiferous ducts open and from which milk is drawn
2 a : an artificial teat through which a bottle-fed infant nurses b : a device with an orifice through which the discharge of a liquid can be regulated
3 a : a protuberance resembling or suggesting the nipple of a breast b : a small projection through which oil or grease is injected into machinery
4 : a pipe coupling consisting of a short piece of threaded tubing
– nip · pled \ -p ə ld \ adjective