Search the Dictionary

One of a family (Scyllaridæ) of macruran Crustacea, remarkable for the depressed form of the body, and the broad, flat antennæ. Also used adjectively.

Any large marine mammal, as a seal, walrus, or cetacean.

Any crustacean of the genus Palinurus and allied genera, as the European spiny lobster (P. vulgaris), which is much used as an article of food. See Lobster.

Any one of numerous species of isopod crustaceans of Cymothoa, Livoneca, and allied genera, mostly parasites on fishes.

Any isopod crustacean of the genus Ligia.

ed to some object; as, the oyster is a sedentary mollusk; the barnacles are sedentary crustaceans. Sedentary spider (Zoöl.), one of a tribe of spiders which rest motionless until their prey is caught in their web.

In european geology, a name given to the middle division of the Upper Cretaceous formation.

tific toy. -- Serpent cucumber (Bot.), the long, slender, serpentine fruit of the cucurbitaceous plant Trichosanthes colubrina; also, the plant itself. -- Serpent eage (Zoöl.), any one of several species of raptorial birds of the genera Circaëtus and Spilornis, which prey on serpents. They inhabit Africa, Southern Eu…

Having eyes which are not elevated on a stalk; -- opposed to stalk-eyed. Sessile-eyed Crustacea, the Arthrostraca.

id, bristlelike organ or part; as the hairs of a caterpillar, the slender spines of a crustacean, the hairlike processes of a protozoan, the bristles or stiff hairs on the leaves of some plants, or the pedicel of the capsule of a moss.

An African sapotaceous tree (Bassia, or Butyrospermum, Parkii), from the seeds of which a substance resembling butter is obtained; the African butter tree.

The hard calcareous or chitinous external covering of mollusks, crustaceans, and some other invertebrates. In some mollusks, as the cuttlefishes, it is internal, or concealed by the mantle. Also, the hard covering of some vertebrates, as the armadillo, the tortoise, and the like.

Any aquatic animal whose external covering consists of a shell, either testaceous, as in oysters, clams, and other mollusks, or crustaceous, as in lobsters and crabs.

moved from one side of a vessel to another as safety requires. -- Shifting center. See Metacenter. -- Shifting locomotive. See Switching engine, under Switch.

illed Australian plover (Esacus magnirostris). It lives on the seashore, and feeds on crustaceans, etc. -- Shore teetan (Zoöl.), the rock pipit (Anthus obscurus). [Prov. Eng.]

Any one of numerous species of macruran Crustacea belonging to Crangon and various allied genera, having a slender body and long legs. Many of them are used as food. The larger kinds are called also prawns. See Illust. of Decapoda.

A genus of tropical sapotaceous trees noted for their very hard wood; ironwood.

The sucking proboscis of certain parasitic insects and crustaceans.

A tribe of parasitic copepod Crustacea including a large number of species that are parasites of fishes, as the lerneans. They have a mouth adapted to suck blood.

ficers, but in which there are few enlisted men. -- Skeleton shrimp (Zoöl.), a small crustacean of the genus Caprella. See Illust. under Læmodipoda.