crab


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crab

(krab),
1. A crustacean, many varieties of which are edible.
2. An insect, the crab louse, Pthirus pubis.

crab

(krăb)
n.
1.
a. Any of various chiefly marine decapod crustaceans of the infraorder Brachyura, having a hard carapace that covers a broad flattened cephalothorax with a small abdomen tucked beneath it, and an anterior pair of legs that are large and pincerlike.
b. Any of various similar decapod crustaceans, such as a hermit crab or a king crab.
c. Crabmeat.
2.
a. A crab louse.
b. crabs Slang Infestation by crab lice.

crab′ber n.

crab

a decapod CRUSTACEAN (suborder Brachyura) characterized by a large flattened, laterally expanded carapace below which the abdomen is curled forward.
References in periodicals archive ?
He added 'we can earn more from crab farming business than shrimp farming by proper care and management.
The crab was caught in waters 600 m (1,900 ft) deep.
In their experiments, the scientists found the green shore crab was able to take in a nutrient that was dissolved in the water around them, the amino acid leucine, according to their study in the journal (http://rspb.
Recreational fishermen can also catch their own blue crabs with a crab trap, of which they are allowed five per fisherman.
The carapace of each crab was removed and the branchial chambers and gills were visually inspected for the presence of octolasmids.
They made sure to test the front-left claw of each crab.
which we regretted slightly when the same man who had discovered the gay crab said, loudly, that the only way to go was steamed, with live crabs.
He said berried crab or bukakahan in the local dialect should not be fished until they reach their mature sexuality to enable them to lay eggs.
It has been suggested that HPND of mitten crabs might be occur in the high pH of water, massive aquatic plants, high abundant of cyanbacteria, fertilizers, crab feeding and hypoxia [2].
The distributional pattern exhibited by Callinectes sapidus (Rathbun, 1896) the blue crab and Callinectes similis (Williams, 1966) the lesser blue crab, within estuaries of the southeastern United States is characteristic of other members of the genus throughout their range.
Some retail stores and restaurants have salt water-filled tanks that can keep the crab alive for days, but most don't.
The red deepsea crab (Chaceon quinquedens) ranges from the Gulf of Maine to the Gulf of Mexico, at depths from 200 to 1800 m, and temperatures of 5-8[degrees]C (Haefner and Musick, 1974; Wigley et al.