Gyrostat, jī′rō-stat, n. an instrument contrived for illustrating the dynamics of rotating rigid bodies.—adj. Gyrostat′ic. [Gr. gyros, round, statikos, static.]

Gyrus, jī′rus, n. one of the rounded edges into which the surface of the cerebral hemisphere is divided by the fissures or sulci. [Gr. gyros, a circle.]

Gyte, gīt, adj. (Scot.) crazy, mad.

Gyte, gīt, n. (Scot.) a child: a first year's boy at Edinburgh High School. [Prob. a corr. of get, offspring.]

Gytrash, gī′trash, n. (prov.) a ghost.

Gyve, jīv, v.t. to fetter.—n.pl. Gyves, shackles, fetters. [M. E. gives, gyves. Of Celt. origin; cf. W. gefyn, Ir. geimheal.]


the eighth letter in our alphabet, its sound that of a strongly-marked continuous guttural, produced at the back of the palate, not existing in English, but heard in the Scotch loch and the German lachen. In Old English h was a guttural, or throat sound, but it gradually softened down to a spirant, and has now become almost a vowel: (chem.) a symbol denoting hydrogen: in medieval Roman notation=200, H=200,000.

Ha, hä, interj. denoting surprise, joy, or grief; and, when repeated, laughter: in continued speech, often an involuntary sound expressive of hesitation. [Imit.]