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Webster’s Dictionary (1828)

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

13,077 words match “PI”

BICIPITAL a. 3 definitions

Pertaining to a biceps muscle; as, bicipital furrows, the depressions on either side of the biceps of the arm.

Having two heads; bicipital. "Bicipitous serpents." Sir T. Browne.

One of the two double-pointed teeth which intervene between the canines (cuspids) and the molars, on each side of each jaw. See Tooth, n.

BICUSPID; BICUSPIDATE a.

Having two points or prominences; ending in two points; -- said of teeth, leaves, fruit, etc.

The larva of certain starfishes as developed in the free- swimming stage.

BIPINNATE; BIPINNATED a.

BIPINNATIFID a.

Doubly pinnatifid.

Having an eyelike spot on the wing, with two dots within it of a different color, as in some butterflies.

Having two spines.

The exhaust pipe of a steam engine, or any pipe delivering steam or air, when so constructed as to cause a blast.

BLOWPIPE n. 2 definitions

A blowgun; a blowtube. Blowpipe analysis (Chem.), analysis by means of the blowpipe. -- Blowpipe reaction (Chem.), the characteristic behavior of a substance subjected to a test by means of the blowpipe.

relation to each other, and the state of the business in which they occur; the art of keeping accounts. The books commonly used are a daybook, cashbook, journal, and ledger. See Daybook, Cashbook, Journal, and Ledger. Bookkeeping by single entry, the method of keeping books by carrying the record of each transaction t…

BOOTTOPPING n. 2 definitions

The act or process of daubing a vessel's bottom near the surface of the water with a mixture of tallow, sulphur, and resin, as a temporary protection against worms, after the slime, shells, etc., have been scraped off.

BRACHYPINACOID n.

A plane of an orthorhombic crystal which is parallel both to the vertical axis and to the shorter lateral (brachydiagonal) axis.

BRANCH PILOT n.

A pilot who has a branch or commission, as from Trinity House, England, for special navigation.

A pin worn on the breast for a fastening, or for ornament; a brooch.

BREECH PIN; BREECH SCREW n.

A strong iron or steel plug screwed into the breech of a musket or other firearm, to close the bottom of the bore.

An old English gold coin, broader than a guinea, as a Carolus or Jacobus.

A pungent colorless explosive liquid, CNO2Br3, analogous to and resembling chlorpicrin. [Spelt also brompikrin.]