Jam 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.

Look at other dictionaries:

  • Jam nut — Jam Jam, n. [Prob. fr. jam, v.; but cf. also Ar. jamad ice, jelly, j[=a]mid congealed, jamd congelation, ice.] A preserve of fruit boiled with sugar and water; also called {jelly}; as, raspberry jam; currant jam; grape jam. [1913 Webster] {Jam… …   The Collaborative International Dictionary of English

  • Jam nut — A jam nut is a type of locking nut that avoids compression of the part being fastened. It is commonly used to fasten parts that must be able to spin freely, such as bearings. It looks like a thin hex nut, but half as tall. It is threaded inside… …   Wikipedia

  • jam nut — [1] A second nut on a screw or bolt which locks against the first nut (i.e., jams against it) so that the nut won t come loose. [2] A self locking nut …   Dictionary of automotive terms

  • jam nut. — See lock nut (def. 2). [1860 65] * * * …   Universalium

  • jam nut. — See lock nut (def. 2). [1860 65] …   Useful english dictionary

  • jam nut — noun Etymology: jam (II) : locknut 1 …   Useful english dictionary

  • Jam — Jam, n. [Prob. fr. jam, v.; but cf. also Ar. jamad ice, jelly, j[=a]mid congealed, jamd congelation, ice.] A preserve of fruit boiled with sugar and water; also called {jelly}; as, raspberry jam; currant jam; grape jam. [1913 Webster] {Jam nut}.… …   The Collaborative International Dictionary of English

  • Jam weld — Jam Jam, n. [Prob. fr. jam, v.; but cf. also Ar. jamad ice, jelly, j[=a]mid congealed, jamd congelation, ice.] A preserve of fruit boiled with sugar and water; also called {jelly}; as, raspberry jam; currant jam; grape jam. [1913 Webster] {Jam… …   The Collaborative International Dictionary of English

  • 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.),… …   The Collaborative International Dictionary of English

  • Nut buoy — 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.),… …   The Collaborative International Dictionary of English

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