'Great seal' definitions:

Definition of 'great seal'

(from WordNet)
noun
The principal seal of a government, symbolizing authority or sovereignty

Definition of 'Great seal'

From: GCIDE
  • Seal \Seal\, n. [OE. seel, OF. seel, F. sceau, fr. L. sigillum a little figure or image, a seal, dim. of signum a mark, sign, figure, or image. See Sign, n., and cf. Sigil.]
  • 1. An engraved or inscribed stamp, used for marking an impression in wax or other soft substance, to be attached to a document, or otherwise used by way of authentication or security. [1913 Webster]
  • 2. Wax, wafer, or other tenacious substance, set to an instrument, and impressed or stamped with a seal; as, to give a deed under hand and seal. [1913 Webster]
  • Till thou canst rail the seal from off my bond Thou but offend'st thy lungs to speak so loud. --Shak. [1913 Webster]
  • 3. That which seals or fastens; esp., the wax or wafer placed on a letter or other closed paper, etc., to fasten it. [1913 Webster]
  • 4. That which confirms, ratifies, or makes stable; that which authenticates; that which secures; assurance. "Under the seal of silence." --Milton. [1913 Webster]
  • Like a red seal is the setting sun On the good and the evil men have done. --Longfellow. [1913 Webster]
  • 5. An arrangement for preventing the entrance or return of gas or air into a pipe, by which the open end of the pipe dips beneath the surface of water or other liquid, or a deep bend or sag in the pipe is filled with the liquid; a draintrap. [1913 Webster]
  • Great seal. See under Great.
  • Privy seal. See under Privy, a.
  • Seal lock, a lock in which the keyhole is covered by a seal in such a way that the lock can not be opened without rupturing the seal.
  • Seal manual. See under Manual, a.
  • Seal ring, a ring having a seal engraved on it, or ornamented with a device resembling a seal; a signet ring. --Shak. [1913 Webster]

Definition of 'Great seal'

From: GCIDE
  • Great \Great\ (gr[=a]t), a. [Compar. Greater; superl. Greatest.] [OE. gret, great, AS. gre['a]t; akin to OS. & LG. gr[=o]t, D. groot, OHG. gr[=o]z, G. gross. Cf. Groat the coin.]
  • 1. Large in space; of much size; big; immense; enormous; expanded; -- opposed to small and little; as, a great house, ship, farm, plain, distance, length. [1913 Webster]
  • 2. Large in number; numerous; as, a great company, multitude, series, etc. [1913 Webster]
  • 3. Long continued; lengthened in duration; prolonged in time; as, a great while; a great interval. [1913 Webster]
  • 4. Superior; admirable; commanding; -- applied to thoughts, actions, and feelings. [1913 Webster]
  • 5. Endowed with extraordinary powers; uncommonly gifted; able to accomplish vast results; strong; powerful; mighty; noble; as, a great hero, scholar, genius, philosopher, etc. [1913 Webster]
  • 6. Holding a chief position; elevated: lofty: eminent; distinguished; foremost; principal; as, great men; the great seal; the great marshal, etc. [1913 Webster]
  • He doth object I am too great of birth. --Shak. [1913 Webster]
  • 7. Entitled to earnest consideration; weighty; important; as, a great argument, truth, or principle. [1913 Webster]
  • 8. Pregnant; big (with young). [1913 Webster]
  • The ewes great with young. --Ps. lxxviii. 71. [1913 Webster]
  • 9. More than ordinary in degree; very considerable in degree; as, to use great caution; to be in great pain. [1913 Webster]
  • We have all Great cause to give great thanks. --Shak. [1913 Webster]
  • 10. (Genealogy) Older, younger, or more remote, by single generation; -- often used before grand to indicate one degree more remote in the direct line of descent; as, great-grandfather (a grandfather's or a grandmother's father), great-grandson, etc. [1913 Webster]
  • Great bear (Astron.), the constellation Ursa Major.
  • Great cattle (Law), all manner of cattle except sheep and yearlings. --Wharton.
  • Great charter (Eng. Hist.), Magna Charta.
  • Great circle of a sphere, a circle the plane of which passes through the center of the sphere.
  • Great circle sailing, the process or art of conducting a ship on a great circle of the globe or on the shortest arc between two places.
  • Great go, the final examination for a degree at the University of Oxford, England; -- called also greats. --T. Hughes.
  • Great guns. (Naut.) See under Gun.
  • The Great Lakes the large fresh-water lakes (Lakes Superior, Michigan, Huron, Erie, and Ontario) which lie on the northern borders of the United States.
  • Great master. Same as Grand master, under Grand.
  • Great organ (Mus.), the largest and loudest of the three parts of a grand organ (the others being the choir organ and the swell, and sometimes the pedal organ or foot keys), It is played upon by a separate keyboard, which has the middle position.
  • The great powers (of Europe), in modern diplomacy, Great Britain, France, Germany, Austria, Russia, and Italy.
  • Great primer. See under Type.
  • Great scale (Mus.), the complete scale; -- employed to designate the entire series of musical sounds from lowest to highest.
  • Great sea, the Mediterranean sea. In Chaucer both the Black and the Mediterranean seas are so called.
  • Great seal. (a) The principal seal of a kingdom or state. (b) In Great Britain, the lord chancellor (who is custodian of this seal); also, his office.
  • Great tithes. See under Tithes.
  • The great, the eminent, distinguished, or powerful.
  • The Great Spirit, among the North American Indians, their chief or principal deity.
  • To be great (with one), to be intimate or familiar (with him). --Bacon. [1913 Webster]