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he hands. The hardness of the winters forces the breeders to house and handle their colts six months every year. Sir W. Temple.

n individual; -- often used in a plural sense; as, a thousand head of cattle. It there be six millions of people, there are about four acres for every head. Graunt.

dissolved as an important ingredient of kerosene, and so called because each molecule has sixteen atoms of carbon; -- called also hexadecane.

A yarn measure of six hundred yards or of a spindle. See Spindle.

oor or the ground, of animal, especially of a man; stature. Bacon. [Goliath's] height was six cubits and a span. 1 Sam. xvii. 4.

A short note, equal to one fourth of a semiquaver, or the sixty-fourth part of a whole note.

large lamellicorn beetles, esp. D. hercules of South America, which grows to a length of six inches. -- Hercules' club. (Bot.) (a) An ornamental tree of the West Indies (Zanthoxylum Clava-Herculis), of the same genus with the prickly ash.

A prefix or combining form, used to denote six, sixth, etc.; as, hexatomic, hexabasic.

Having six hydrogen atoms or six radicals capable of being replaced or saturated by bases; -- said of acids; as, mellitic acid is hexabasic.

Having six capsules or seed vessels.

A series of six notes, with a semitone between the third and fourth, the other intervals being whole tones.

Having six atoms or radicals capable of being replaced by acids; hexatomic; hexavalent; -- said of bases; as, mannite is a hexacid base.

Having six-rayed spicules; belonging to the Hexactinellinæ.

Belonging to the Hexactinellinæ, a group of sponges, having six-rayed siliceous spicules.

An atom whose valence is six, and which can be theoretically combined with, substituted for, or replaced by, six monad atoms or radicals; as, sulphur is a hexad in sulphuric acid. Also used as an adjective.

Having six fingers or toes.

A series of six numbers.

A plane figure of six angles. Regular hexagon, a hexagon in which the angles are all equal, and the sides are also all equal.

Having six sides and six angles; six-sided. Hexagonal system. (Crystal.) See under Crystallization.

ntersecting so that each side of one triangle is parallel to a side of the other, and the six points coincide with those of a hexagon.