01 n. The fruit of certain trees and shrubs (as of the almond, walnut, hickory, beech, filbert, etc.), consisting of a hard and indehiscent shell…
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1.
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.(Bot.)
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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. See: Bolt
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3.
The tumbler of a gunlock.
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4.
A projection on each side of the shank of an anchor, to secure the stock in place.(Naut.)
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5.
Testicles.[vulgar slang]
Phrases & compounds
Check 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 —
any leucosoid crab of the genus Ebalia as, Ebalia tuberosa of Europe.
Nut grass —
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 —
See under Pine.
Nut rush —
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 —
any species of weevils of the genus Balaninus and other allied genera, which in the larval state live in nuts.