Definition of Nipple

1. Noun. The small projection of a mammary gland.

Exact synonyms: Mamilla, Mammilla, Pap, Teat, Tit
Generic synonyms: Reproductive Organ, Sex Organ
Group relationships: Mamma, Mammary Gland

2. Noun. A flexible cap on a baby's feeding bottle or pacifier.
Group relationships: Bottle, Feeding Bottle, Nursing Bottle
Generic synonyms: Cap

Definition of Nipple

1. n. The protuberance through which milk is drawn from the breast or mamma; the mammilla; a teat; a pap.

Definition of Nipple

1. Noun. The projection of a mammary gland from which, on female mammals, milk is secreted. ¹

2. Noun. An artificial nipple (''definition 1'') used for bottle-feeding infants. ¹

3. Noun. A mechanical device through which liquids can be passed in a regulated manner. ¹

4. Noun. A short tube threaded at both ends, used as a connector. ¹

5. Noun. Any small physical protrusion, such as the lumps on the F and J keys on American keyboards. ¹

6. Noun. Any small physical protrusion on an automotive, a machine part or any other part that fits into a groove on another part. ¹

¹ Source:

Definition of Nipple

1. a protuberance on the breast [n -S] : NIPPLED [adj]

Medical Definition of Nipple

1. 1. The protuberance through which milk is drawn from the breast or mamma; the mammilla; a teat; a pap. 2. The orifice at which any animal liquid, as the oil from an oil bag, is discharged. 3. Any small projection or article in which there is an orifice for discharging a fluid, or for other purposes; as, the nipple of a nursing bottle; the nipple of a percussion lock, or that part on which the cap is put and through which the fire passes to the charge. 4. A pipe fitting, consisting of a short piece of pipe, usually provided with a screw thread at each end, for connecting two other fittings. Solder nipple, a short pipe, usually of brass, one end of which is tapered and adapted for attachment to the end of a lead pipe by soldering. Origin: Formerly neble, a dim. Of neb. See Neb, Nib. Source: Websters Dictionary (01 Mar 1998)

Nipple Pictures

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Lexicographical Neighbors of Nipple

nipple (current term)
nipple cactus
nipple clamp
nipple clamps
nipple cripple
nipple cripples
nipple line
nipple shield

Literary usage of Nipple

Below you will find example usage of this term as found in modern and/or classical literature:

1. Anatomy, Descriptive and Surgical by Henry Gray (1901)
"The surface of the nipple is dark-colored and surrounded by an areola ... The nipple is a cylindrical or conical eminence capable of undergoing a sort of ..."

2. The Science and Art of Surgery: A Treatise on Surgical Injuries, Diseases by John Eric Erichsen (1885)
"Inflammation of the nipple and Areola.—When the nipple and areola are inflamed, ... In some instances, the fissured state of the nipple would appear to ..."

3. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1894)
"The capillaries which enter each papilla of the nipple, surround the exit ducts and ... The veins surround the boundaries of the nipple in a polygon, ..."

4. International Library of Technology: A Series of Textbooks for Persons by International Textbook Company (1906)
"nipple CONNECTIONS 6. Push-nipple Joints.—There are two kinds of nipples used for connecting radiator sections, namely, slip nipples, also called push ..."

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