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A cogwheel with a small number of teeth, or leaves, adapted to engage with a larger wheel, or rack (see Rack); esp., such a wheel having its leaves formed of the substance of the arbor or spindle which is its axis. Lantern pinion. See under Lantern. -- Pinion wire, wire fluted longitudinally, for making the pinions of…

a genus of large bivalve mollusks found in all warm seas. The byssus consists of a large number of long, silky fibers, which have been used in manufacturing woven fabrics, as a curiosity.

The relative acuteness or gravity of a tone, determined by the number of vibrations which produce it; the place of any tone upon a scale of high and low.

The theory that the various genera of bacteria are phases or variations of growth of a number of Protean species, each of which may exhibit, according to undetermined conditions, all or some of the forms characteristic of the different genera and species.

ting two or more; as, a plural word. Plural faith, which is too much by one. Shak. Plural number (Gram.), the number which designates more than one. See Number, n., 8.

The quality or state of being plural, or in the plural number.

The state of being plural, or consisting of more than one; a number consisting of two or more of the same kind; as, a plurality of worlds; the plurality of a verb.

A genus of grasses, including a great number of species, as the kinds called meadow grass, Kentucky blue grass, June grass, and spear grass (which see).

A considerable number of animals closely clustered together; -- said of seals. Pod auger, or pod bit, an auger or bit the channel of which is straight instead of twisted.

A method of gambling by betting as to what numbers will be drawn in a lottery; as, to play policy. Interest policy, a policy that shows by its form that the assured has a real, substantial interest in the matter insured. -- Open policy, one in which the value of the goods or property insured is not mentioned. -- Poli…

A number or aggregate of heads; a list or register of heads or individuals. We are the greater poll, and in true fear They gave us our demands. Shak. The muster file, rotten and sound, upon my life, amounts not to fifteen thousand poll. Shak.

A Linnæan class of monoclinous or hermaphrodite plants, having many stamens, or any number above twenty, inserted in the receptacle.

Belonging to the class Polyandria; having many stamens, or any number above twenty, inserted in the receptacle.

The possession of more that the normal number of digits.

Having many angles. Polygonal numbers, certain figurate numbers. See under Figurate.

A genus of plants embracing a large number of species, including bistort, knotweed, smartweed, etc.

Producing or bearing a great number; bringing forth many.

A figure by which a word is repeated in different forms, cases, numbers, genders, etc., as in Tennyson's line, -- "My own heart's heart, and ownest own, farewell."

A dwelling for a number of paupers maintained at public expense; an almshouse; a workhouse.

The whole number of people, or inhabitants, in a country, or portion of a country; as, a population of ten millions.