Search the Dictionary

A military mechanic, as a blacksmith, carpenter, etc.; also, one who prepares the shells, fuses, grenades, etc., in a military laboratory.

Destitute of a siphon or breathing tube; -- said of many bivalve shells. -- n.

See Wateringpot shell.

A group of Gastropoda, with limpetlike shells, including the abalone shells and keyhole limpets.

One of the five arched processes of the shell around the jaws of a sea urchin.

led. (b) (Zoöl.) Having an angular projection on one or both sides, as in certain bivalve shells, the foot of some gastropods, etc. Auriculate leaf, one having small appended leaves or lobes on each side of its petiole or base.

Firmness; moral principle; steadfastness. Shelley's thought never had any backbone. Shairp. To the backbone, through and through; thoroughly; entirely. "Staunch to the backbone." Lord Lytton.

A fossil balanoid shell.

Resembling an acorn; -- applied to a group of barnacles having shells shaped like acorns. See Acornshell, and Barnacle.

A bomb or shell. [Obs.]

ts, and other invertebrates, as in the Hemiptera. (d) The upper or projecting part of the shell, near the hinge of a bivalve. (e) The prolongation of certain univalve shells containing the canal.

he Turk, no brother near the throne. Pope. I cannot bear The murmur of this lake to hear. Shelley. My punishment is greater than I can bear. Gen. iv. 13.

A large bivalve shell of the East Indies (Hippopus maculatus), often used as an ornament.

The byssus of certain shellfish, as the muscle.

ems. Begemmed with dewdrops. Sir W. Scott. Those lonely realms bright garden isles begem. Shelley.

olonged, on one side, into a delicate concave blade; the thunderstone. It is the internal shell of a cephalopod related to the sepia, and belonging to an extinct family. The belemnites are found in rocks of the Jurassic and Cretaceous ages. -- Bel*em*nit"ic, a.

A genus of fossil univalve shells, believed to belong to the Heteropoda, peculiar to the Paleozoic age.

(Min.) An earthy substance, resembling fine flour. It is composed of the shells of infusoria, and in Lapland and Sweden is sometimes eaten, mixed with flour or ground birch bark, in times of scarcity. This name is also given to a white powdery variety of calcite.

r (Piper betle), the leaves of which are chewed, with the areca or betel nut and a little shell lime, by the inhabitants of the East Indies. I is a woody climber with ovate manynerved leaves.

utlike seed of the areca palm, chewed in the East with betel leaves (whence its name) and shell lime.