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.]
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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.
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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.
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3. The tumbler of a gunlock. --Knight.
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4. (Naut.) A projection on each side of the shank of an
anchor, to secure the stock in place.
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5. pl. Testicles. [vulgar slang]
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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 (Zool.), 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 (Zool.), any species of weevils of the genus
Balaninus and other allied genera, which in the larval
state live in nuts.
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Lock \Lock\, n. [AS. loc inclosure, an inclosed place, the
fastening of a door, fr. l[=u]can to lock, fasten; akin to
OS. l[=u]kan (in comp.), D. luiken, OHG. l[=u]hhan, Icel.
l[=u]ka, Goth. l[=u]kan (in comp.); cf. Skr. ruj to break.
Cf. Locket.]
1. Anything that fastens; specifically, a fastening, as for a
door, a lid, a trunk, a drawer, and the like, in which a
bolt is moved by a key so as to hold or to release the
thing fastened.
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2. A fastening together or interlacing; a closing of one
thing upon another; a state of being fixed or immovable.
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Albemarle Street closed by a lock of carriages. --De
Quincey.
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3. A place from which egress is prevented, as by a lock.
--Dryden.
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4. The barrier or works which confine the water of a stream
or canal.
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5. An inclosure in a canal with gates at each end, used in
raising or lowering boats as they pass from one level to
another; -- called also lift lock.
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6. That part or apparatus of a firearm by which the charge is
exploded; as, a matchlock, flintlock, percussion lock,
etc.
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7. A device for keeping a wheel from turning.
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8. A grapple in wrestling. --Milton.
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Detector lock, a lock containing a contrivance for showing
whether it as has been tampered with.
Lock bay (Canals), the body of water in a lock chamber.
Lock chamber, the inclosed space between the gates of a
canal lock.
Lock nut. See Check nut, under Check.
Lock plate, a plate to which the mechanism of a gunlock is
attached.
Lock rail (Arch.), in ordinary paneled doors, the rail
nearest the lock.
Lock rand (Masonry), a range of bond stone. --Knight.
Mortise lock, a door lock inserted in a mortise.
Rim lock, a lock fastened to the face of a door, thus
differing from a mortise lock.
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