Gregorian calendar, the calendar as reformed by Pope Gregory XIII. in 1582, including the method of adjusting the leap years so as to harmonize the civil year with the solar, and also the regulation of the time of Easter and the movable feasts by means of epochs. See Gregorian year Gregorian chant(Mus.), plain song, or canto fermo, a kind of unisonous music, according to the eight celebrated church modes, as arranged and prescribed by Pope Gregory I. (called "the Great") in the 6th century.Gregorian modes, the musical scales ordained by Pope Gregory the Great, and named after the ancient Greek scales, as Dorian, Lydian, etc.Gregorian telescope(Opt.), a form of reflecting telescope, named from Prof. James Gregory, of Edinburgh, who perfected it in 1663. A small concave mirror in the axis of this telescope, having its focus coincident with that of the large reflector, transmits the light received from the latter back through a hole in its center to the eyepiece placed behind it. Gregorian year, the year as now reckoned according to the Gregorian calendar. Thus, every year, of the current reckoning, which is divisible by 4, except those divisible by 100 and not by 400, has 366 days; all other years have 365 days. See Bissextile, and Note under Style, n., 7.

Greillade
(Greil"lade) n. (Metal.) Iron ore in coarse powder, prepared for reduction by the Catalan process.

Greisen
(Grei"sen) n. (Min.) A crystalline rock consisting of quarts and mica, common in the tin regions of Cornwall and Saxony.

Greit
(Greit) v. i. See Greet, to weep.

Greith
(Greith) v. t. [Icel. greiða: cf. AS. ger&aemacrdan to arrange; pref. ge- + r&aemacrde ready. Cf. Ready.] To make ready; — often used reflexively. [Obs.] Chaucer.

Greith
(Greith), n. [Icel. greiði. See Greith, v.] Goods; furniture. [Obs.] See Graith.

Gremial
(Gre"mi*al) a. [L. gremium lap, bosom.] Of or pertaining to the lap or bosom. [R.]

Gremial
(Gre"mi*al), n.

Gregarinæ
(||Greg`a*ri"næ) n. pl. [NL., fr. Gregarina the typical genus, fr. L. gregarius. See Gregarious.] (Zoöl.) An order of Protozoa, allied to the Rhizopoda, and parasitic in other animals, as in the earthworm, lobster, etc. When adult, they have a small, wormlike body inclosing a nucleus, but without external organs; in one of the young stages, they are amœbiform; — called also Gregarinida, and Gregarinaria.

Gregarine
(Greg"a*rine) a. (Zoöl.) Of or pertaining to the Gregarinæ.n. One of the Gregarinæ.

Gregarinida
(||Greg`a*rin"i*da) Gregarinæ.

Gregarious
(Gre*ga"ri*ous) a. [L. gregarius, fr. grex, gregis, herd; cf. Gr. to assemble, Skr. jar to approach. Cf. Congregate, Egregious.] Habitually living or moving in flocks or herds; tending to flock or herd together; not habitually solitary or living alone. Burke.

No birds of prey are gregarious.
Ray.

Gre*ga"ri*ous*ly, adv.Gre*ga"ri*ous*ness, n.

Grege
(Grege Greg"ge) v. t. [OE. gregier to burden.] To make heavy; to increase. [Obs.] Wyclif.

Greggoe
(Greg"goe Gre"go) n. [Prob. fr, It. Greco Greek, or Sp. Griego, or Pg. Grego.] A short jacket or cloak, made of very thick, coarse cloth, with a hood attached, worn by the Greeks and others in the Levant. [Written also griego.]

Gregorian
(Gre*go"ri*an) a. [NL. Gregorianus, fr. Gregorius Gregory, Gr. : cf. F. grégorien.] Pertaining to, or originated by, some person named Gregory, especially one of the popes of that name.


  By PanEris using Melati.

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