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A shelly concretion, usually rounded, and having a brilliant luster, with varying tints, found in the mantle, or between the mantle and shell, of certain bivalve mollusks, especially in the pearl oysters and river mussels, and sometimes in certain univalves. It is usually due to a secretion of shelly substance around s…

A small roundish stone or bowlder; especially, a stone worn and rounded by the action of water; a pebblestone. "The pebbles on the hungry beach." Shak. As children gathering pebbles on the shore. Milton.

hence, a similar form used as a decoration over porticoes, doors, windows, etc.; also, a rounded or broken frontal having a similar position and use. See Temple.

A portion of land nearly surrounded by water, and connected with a larger body by a neck, or isthmus.

Surrounded by a circle of hairs, or projections of any kind.

Surrounded by setæ; -- said of certain earthworms (genus Perichætus).

m one full stop to another; esp., a well-proportioned, harmonious sentence. "Devolved his rounded periods." Tennyson. Periods are beautiful when they are not too long. B. Johnson.

onal, from the Crown, which suggests such a title as controverts the title of the Crown, grounded on facts disclosed in the petition itself. Mozley & W. -- The Petition of Right (Eng. Hist.), the parliamentary declaration of the rights of the people, assented to by Charles I.

Phalangium) and many similar kinds. They have long, slender, many-jointed legs; usually a rounded, segmented abdomen; and chelate jaws. They breathe by tracheæ. Called also Phalangides, Phalangidea, Phalangiida, and Opilionea.

d or endured. Udall. Pill beetle (Zoöl.), any small beetle of the genus Byrrhus, having a rounded body, with the head concealed beneath the thorax. -- Pill bug (Zoöl.), any terrestrial isopod of the genus Armadillo, having the habit of rolling itself into a ball when disturbed. Called also pill wood louse.…

A natural alloy of platinum and iridium occurring in grayish metallic rounded or cubical grains with platinum.

Well rounded or filled out; full; fleshy; fat; as, a plump baby; plump cheeks. Shak. The god of wine did his plump clusters bring. T. Carew.

Having the ends terminating in rounded protuberances or single balls; -- said of a cross.

, a game at cards played on a round board with compartments. -- Pope's eye, the gland surrounded with fat in the middle of the thigh of an ox or sheep. R. D. Blackmore. -- Pope's nose, the rump, or uropygium, of a bird. See Uropygium.

viduals are round and disk-shaped, with a large zooid in the center of the under side, surrounded by smaller nutritive and reproductive zooids, and by slender dactylozooids near the margin. The disk contains a central float, or pneumatocyst.

under Tomato. -- Seaside potato (Bot.), Ipomoea Pes-Capræ, a kind of morning-glory with rounded and emarginate or bilobed leaves. [West Indies] -- Sweet potato (Bot.), a climbing plant (Ipomoea Balatas) allied to the morning-glory. Its farinaceous tubers have a sweetish taste, and are used, when cooked, for food. It…

A vase with a separate cover, the body usually rounded or polygonal in plan with nearly vertical sides, a neck of smaller size, and a rounded shoulder.

The writ grounded on that offense. Wharton.

truth or real existence of something, without direct or positive proof of the fact, but grounded on circumstantial or probable evidence which entitles it to belief. Burrill. Best. Wharton. -- Presumption of law (Law), a postulate applied in advance to all cases of a particular class; e. g., the presumption of innocen…

Based on presumption or probability; grounded on probable evidence; probable; as, presumptive proof.