NIPPLING

Verb

nippling

present participle of nipple

Source: Wiktionary

NIPPLE

Nip"ple, n. Etym: [Formerly neble, a dim. of neb. See Neb, Nib.]

1. (Anat.)

Definition: 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. [R.] Derham.

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. (Mech.)

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition