Crab \Crab\ (kr[a^]b), n. [AS. crabba; akin to D. krab, G.
krabbe, krebs, Icel. krabbi, Sw. krabba, Dan. krabbe, and
perh. to E. cramp. Cf. Crawfish.]
1. (Zool.) One of the brachyuran Crustacea. They are mostly
marine, and usually have a broad, short body, covered with
a strong shell or carapace. The abdomen is small and
curled up beneath the body.
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Note: The name is applied to all the Brachyura, and to
certain Anomura, as the hermit crabs. Formerly, it was
sometimes applied to Crustacea in general. Many species
are edible, the blue crab of the Atlantic coast being
one of the most esteemed. The large European edible
crab is Cancer padurus. Soft-shelled crabs are blue
crabs that have recently cast their shells. See
Cancer; also, Box crab, Fiddler crab, Hermit
crab, Spider crab, etc., under Box, Fiddler.
etc.
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2. The zodiacal constellation Cancer.
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3. [See Crab, a.] (Bot.) A crab apple; -- so named from its
harsh taste.
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When roasted crabs hiss in the bowl,
Then nightly sings the staring owl. --Shak.
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4. A cudgel made of the wood of the crab tree; a crabstick.
[Obs.] --Garrick.
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5. (Mech.)
(a) A movable winch or windlass with powerful gearing,
used with derricks, etc.
(b) A form of windlass, or geared capstan, for hauling
ships into dock, etc.
(c) A machine used in ropewalks to stretch the yarn.
(d) A claw for anchoring a portable machine.
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Calling crab. (Zool.) See Fiddler., n., 2.
Crab apple, a small, sour apple, of several kinds; also,
the tree which bears it; as, the European crab apple
(Pyrus Malus var. sylvestris); the Siberian crab apple
(Pyrus baccata); and the American (Pyrus coronaria).
Crab grass. (Bot.)
(a) A grass (Digitaria sanguinalis syn. Panicum
sanguinalis); -- called also finger grass.
(b) A grass of the genus Eleusine (Eleusine Indica);
-- called also dog's-tail grass, wire grass, etc.
Crab louse (Zool.), a species of louse (Phthirius pubis),
sometimes infesting the human body.
Crab plover (Zool.), an Asiatic plover (Dromas ardeola).
Crab's eyes, or Crab's stones, masses of calcareous
matter found, at certain seasons of the year, on either
side of the stomach of the European crawfishes, and
formerly used in medicine for absorbent and antacid
purposes; the gastroliths.
Crab spider (Zool.), one of a group of spiders
(Laterigrad[ae]); -- called because they can run
backwards or sideways like a crab.
Crab tree, the tree that bears crab applies.
Crab wood, a light cabinet wood obtained in Guiana, which
takes a high polish. --McElrath.
To catch a crab (Naut.), a phrase used of a rower:
(a) when he fails to raise his oar clear of the water;
(b) when he misses the water altogether in making a
stroke.
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Finger \Fin"ger\ (f[i^][ng]"g[~e]r), n. [AS. finger; akin to D.
vinger, OS. & OHG. fingar, G. finger, Icel. fingr, Sw. & Dan.
finger, Goth. figgrs; of unknown origin; perh. akin to E.
fang.]
1. One of the five terminating members of the hand; a digit;
esp., one of the four extremities of the hand, other than
the thumb.
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2. Anything that does the work of a finger; as, the pointer
of a clock, watch, or other registering machine;
especially (Mech.) a small projecting rod, wire, or piece,
which is brought into contact with an object to effect,
direct, or restrain a motion.
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3. The breadth of a finger, or the fourth part of the hand; a
measure of nearly an inch; also, the length of finger, a
measure in domestic use in the United States, of about
four and a half inches or one eighth of a yard.
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A piece of steel three fingers thick. --Bp. Wilkins.
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4. Skill in the use of the fingers, as in playing upon a
musical instrument. [R.]
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She has a good finger. --Busby.
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Ear finger, the little finger.
Finger alphabet. See Dactylology.
Finger bar, the horizontal bar, carrying slotted spikes, or
fingers, through which the vibratory knives of mowing and
reaping machines play.
Finger board (Mus.), the part of a stringed instrument
against which the fingers press the strings to vary the
tone; the keyboard of a piano, organ, etc.; manual.
Finger bowl Finger glass, a bowl or glass to hold water
for rinsing the fingers at table.
Finger flower (Bot.), the foxglove.
Finger grass (Bot.), a kind of grass (Panicum sanguinale)
with slender radiating spikes; common crab grass. See
Crab grass, under Crab.
Finger nut, a fly nut or thumb nut.
Finger plate, a strip of metal, glass, etc., to protect a
painted or polished door from finger marks.
Finger post, a guide post bearing an index finger.
Finger reading, reading printed in relief so as to be
sensible to the touch; -- so made for the blind.
Finger shell (Zool.), a marine shell (Pholas dactylus)
resembling a finger in form.
Finger sponge (Zool.), a sponge having finger-shaped lobes,
or branches.
Finger stall, a cover or shield for a finger.
Finger steel, a steel instrument for whetting a currier's
knife.
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To burn one's fingers. See under Burn.
To have a finger in, to be concerned in. [Colloq.]
To have at one's fingers' ends, to be thoroughly familiar
with. [Colloq.]
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