- Lock nut
- Nut Nut (n[u^]t), n. [OE. nute, note, AS. hnutu; akin to D.
noot, G. nuss, OHG. nuz, Icel. hnot, Sw. n["o]t, Dan.
n["o]d.]
[1913 Webster]
1. (Bot.) The fruit of certain trees and shrubs (as of the
almond, walnut, hickory, beech, filbert, etc.), consisting
of a hard and indehiscent shell inclosing a kernel.
[1913 Webster]
2. A perforated block (usually a small piece of metal), provided with an internal or female screw thread, used on a bolt, or screw, for tightening or holding something, or for transmitting motion. See Illust. of 1st {Bolt}. [1913 Webster]
3. The tumbler of a gunlock. --Knight. [1913 Webster]
4. (Naut.) A projection on each side of the shank of an anchor, to secure the stock in place. [1913 Webster]
5. pl. Testicles. [vulgar slang] [PJC]
{Check nut}, {Jam nut}, {Lock nut}, a nut which is screwed up tightly against another nut on the same bolt or screw, in order to prevent accidental unscrewing of the first nut.
{Nut buoy}. See under {Buoy}.
{Nut coal}, screened coal of a size smaller than stove coal and larger than pea coal; -- called also {chestnut coal}.
{Nut crab} (Zo["o]l.), any leucosoid crab of the genus {Ebalia} as, {Ebalia tuberosa} of Europe.
{Nut grass} (Bot.), See {nut grass} in the vocabulary.
{Nut lock}, a device, as a metal plate bent up at the corners, to prevent a nut from becoming unscrewed, as by jarring.
{Nut pine}. (Bot.) See under {Pine}.
{Nut rush} (Bot.), a genus of cyperaceous plants ({Scleria}) having a hard bony achene. Several species are found in the United States and many more in tropical regions.
{Nut tree}, a tree that bears nuts.
{Nut weevil} (Zo["o]l.), any species of weevils of the genus {Balaninus} and other allied genera, which in the larval state live in nuts. [1913 Webster]
The Collaborative International Dictionary of English. 2000.
