Hey"day` (?), interj. [Cf. G. heida, or hei da, D. hei daar. Cf. Hey,
and There.] An expression of frolic and exultation, and sometimes of
wonder. B. Jonson.
Hey"day` (?), n. [Prob. for. high day. See High, and Day.] The time of
triumph and exultation; hence, joy, high spirits, frolicsomeness;
wildness.
The heyday in the blood is tame.
Shak.
In the heyday of their victories.
J. H. Newman.
Hey"de*guy (?), n. [Perh. fr. heyday + guise.] A kind of country-dance
or round. [Obs.] Spenser.
Heyh, Heygh (&?;), a. High. [Obs.] Chaucer.
Heyne (?), n. [AS. he·n low, mean.] A wretch; a rascal. [Obs.] Chaucer.
Hey"ten (?), adv. [Icel. h&?;&?;an.] Hence. [Obs.] Chaucer.
Hi*a"tion (?), n. [See Hiatus.] Act of gaping. [Obs.] Sir T. Browne.
Hi*a"tus (?), n.; pl. L. Hiatus, E. Hiatuses (#). [L., fr. hiare,
hiatum, to gape; akin to E. yawn. See Yawn.] 1. An opening; an
aperture; a gap; a chasm; esp., a defect in a manuscript, where some
part is lost or effaced; a space where something is wanting; a break.
2. (Gram.) The concurrence of two vowels in two successive words or
syllables. Pope.
Hi*ber"na*cle (?), n. [L. hibernaculum a winter residence, pl.
hibernacula winter quarters: cf. F. hibernacle. See Hibernate.] That
which serves for protection or shelter in winter; winter quarters; as,
the hibernacle of an animal or a plant. Martyn.
||Hi`ber*nac"u*lum (?), n. [See Hibernacle.] 1. (Bot.) A winter bud, in
||which the rudimentary foliage or flower, as of most trees and shrubs
||in the temperate zone, is protected by closely overlapping scales.