Gregorian modes
Gregorian Gre*go"ri*an, a. [NL. Gregorianus, fr. Gregorius Gregory, Gr. ?: cf. F. gr['e]gorien.] Pertaining to, or originated by, some person named Gregory, especially one of the popes of that name. [1913 Webster]

{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} (below).

{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. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Gregorian — Gre*go ri*an, a. [NL. Gregorianus, fr. Gregorius Gregory, Gr. ?: cf. F. gr[ e]gorien.] Pertaining to, or originated by, some person named Gregory, especially one of the popes of that name. [1913 Webster] {Gregorian calendar}, the calendar as… …   The Collaborative International Dictionary of English

  • Gregorian calendar — Gregorian Gre*go ri*an, a. [NL. Gregorianus, fr. Gregorius Gregory, Gr. ?: cf. F. gr[ e]gorien.] Pertaining to, or originated by, some person named Gregory, especially one of the popes of that name. [1913 Webster] {Gregorian calendar}, the… …   The Collaborative International Dictionary of English

  • Gregorian chant — Gregorian Gre*go ri*an, a. [NL. Gregorianus, fr. Gregorius Gregory, Gr. ?: cf. F. gr[ e]gorien.] Pertaining to, or originated by, some person named Gregory, especially one of the popes of that name. [1913 Webster] {Gregorian calendar}, the… …   The Collaborative International Dictionary of English

  • Gregorian telescope — Gregorian Gre*go ri*an, a. [NL. Gregorianus, fr. Gregorius Gregory, Gr. ?: cf. F. gr[ e]gorien.] Pertaining to, or originated by, some person named Gregory, especially one of the popes of that name. [1913 Webster] {Gregorian calendar}, the… …   The Collaborative International Dictionary of English

  • Gregorian year — Gregorian Gre*go ri*an, a. [NL. Gregorianus, fr. Gregorius Gregory, Gr. ?: cf. F. gr[ e]gorien.] Pertaining to, or originated by, some person named Gregory, especially one of the popes of that name. [1913 Webster] {Gregorian calendar}, the… …   The Collaborative International Dictionary of English

  • Gregorian mode — The introit Quasi modo geniti, from which Quasimodo Sunday gets its name, is in Mode 6. A Gregorian mode (or church mode) is one of the eight systems of pitch organization used to describe Gregorian chant. The name of Pope Gregory I was attached… …   Wikipedia

  • Gregorian chant — is the central tradition of Western plainchant, a form of monophonic liturgical chant of Western Christianity that accompanied the celebration of Mass and other ritual services. This vast repertory of chants is the oldest music known as it is the …   Wikipedia

  • Gregorian mode — noun any of a system of modes used in Gregorian chants up until 1600; derived historically from the Greek mode • Syn: ↑ecclesiastical mode, ↑church mode, ↑medieval mode • Hypernyms: ↑mode, ↑musical mode * * * noun …   Useful english dictionary

  • gregorian tone — noun Usage: usually capitalized G Etymology: Gregorian (II) 1. : one of the nine tunes with variants to which the psalms are sung in Gregorian music, eight of them being written in the eight most common ecclesiastical modes 2. : ecclesiastical… …   Useful english dictionary

  • Gregorian chant — 1. the plain song or cantus firmus used in the ritual of the Roman Catholic Church. 2. a melody in this style. [1745 55; named after Pope GREGORY I; see IAN] * * * Liturgical music of the Roman Catholic church consisting of unaccompanied melody… …   Universalium

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