Search the Dictionary

Webster’s Dictionary (1828)

98,828 entries. Headwords are matched first, then definition text.

187 words match “CRUSTACEA”

A degenerate order of Crustacea, including the Rhizocephala and Cirripedia.

A crustacean, some of whose feet serve as oars.

One of the thoracic legs of a crustacean. See Illust. of Crustacea.

ch, the rosefish. -- Red-bellied perch, the long-eared pondfish. -- Perch pest, a small crustacean, parasitic in the mouth of the perch. -- Silver perch, the yellowtail. -- Stone, or Striped, perch, the pope. -- White perch, the Roccus, or Morone, Americanus, a small silvery serranoid market fish of the Atlantic c…

PHYLLOBRANCHIA n.

A crustacean gill composed of lamellæ.

One of the abdominal legs of a crustacean. See Illust. under Crustacea.

PLEUROBRANCH n.

Any one of the gills of a crustacean that is attached to the side of the thorax.

One of lateral processes of a somite of a crustacean.

One of branchiæ attached to the bases of the legs in Crustacea.

PODOPHTHALMIA n.

The stalk-eyed Crustacea, -- an order of Crustacea having the eyes supported on movable stalks. It includes the crabs, lobsters, and prawns. Called also Podophthalmata, and Decapoda.

PODOPHTHALMITE n.

The eyestalk of a crustacean.

POLYMENISCOUS a.

Having numerous facets; -- said of the compound eyes of insects and crustaceans.

POST-ABDOMEN n.

That part of a crustacean behind the cephalothorax; -- more commonly called abdomen.

Any one of numerous species of large shrimplike Crustacea having slender legs and long antennæ. They mostly belong to the genera Pandalus, Palæmon, Palæmonetes, and Peneus, and are much used as food. The common English prawn in Palæmon serratus.

The segment next to the flagellum of the antennæ of Crustacea.

The sixth joint of a typical leg of a crustacean; usually, the penultimate joint.

sal portion, or two proximal and more or less consolidated segments, of an appendage of a crustacean.

The caudal plate of trilobites, crustacean, and certain insects. See Illust. of Limulus and Trilobite.

REMIPED a. 2 definitions

Having feet or legs that are used as oars; -- said of certain crustaceans and insects.

RHIZOCEPHALA n.

A division of Pectostraca including saclike parasites of Crustacea. They adhere by rootlike extensions of the head. See Illusration in Appendix.