Mastiff \Mas"tiff\, n.; pl. Mastiffs. [Mastives is irregular
[Prob. fr. Prov. E. masty, adj., large, n., a great dog, prob. fr. mast fruit, and hence, lit., fattened with mast. There is perh. confusion with OF. mestif mongrel; cf. also F. m[^a]tin mastiff, OF. mastin.]
(Zool.) A breed of large dogs noted for strength and courage. There are various strains, differing in form and color, and characteristic of different countries. [1913 Webster]
Note: The dog is distinguished above all others of the inferior animals for intelligence, docility, and attachment to man. There are numerous carefully bred varieties, as the akita, beagle, bloodhound, bulldog, coachdog, collie, Danish dog, foxhound, greyhound, mastiff, pointer, poodle, St. Bernard, setter, spaniel, spitz, terrier, German shepherd, pit bull, Chihuahua, etc. There are also many mixed breeds, and partially domesticated varieties, as well as wild dogs, like the dingo and dhole. (See these names in the Vocabulary.) [1913 Webster +PJC]
2. A mean, worthless fellow; a wretch. [1913 Webster]
What is thy servant, which is but a dog, that he should do this great thing? -- 2 Kings viii. 13 (Rev. Ver. ) [1913 Webster]
3. A fellow; -- used humorously or contemptuously; as, a sly
dog; a lazy dog. [Colloq.]
4. (Astron.) One of the two constellations, Canis Major and Canis Minor, or the Greater Dog and the Lesser Dog. Canis Major contains the Dog Star (Sirius). [1913 Webster]
5. An iron for holding wood in a fireplace; a firedog; an andiron. [1913 Webster]
(a) A grappling iron, with a claw or claws, for fastening into wood or other heavy articles, for the purpose of raising or moving them.
(b) An iron with fangs fastening a log in a saw pit, or on the carriage of a sawmill.
(c) A piece in machinery acting as a catch or clutch; especially, the carrier of a lathe, also, an adjustable stop to change motion, as in a machine tool. [1913 Webster]
7. an ugly or crude person, especially an ugly woman. [slang] [PJC]
8. a hot dog. [slang] [PJC]
Note: Dog is used adjectively or in composition, commonly in the sense of relating to, or characteristic of, a dog. It is also used to denote a male; as, dog fox or g-fox, a male fox; dog otter or dog-otter, dog wolf, etc.; -- also to denote a thing of cheap or mean quality; as, dog Latin. [1913 Webster]
A dead dog, a thing of no use or value. --1 Sam. xxiv. 14.
A dog in the manger, an ugly-natured person who prevents others from enjoying what would be an advantage to them but is none to him.
Dog ape (Zool.), a male ape.
Dog ear (Arch.), an acroterium. [Colloq.]
Dog Latin, barbarous Latin; as, the dog Latin of pharmacy.
Dog power, a machine operated by the weight of a dog traveling in a drum, or on an endless track, as for churning.
Dog's meat, meat fit only for dogs; refuse; offal.
Dog Star. See in the Vocabulary.
Dog wheat (Bot.), Dog grass.
To go to the dogs, to go to ruin; to be ruined. [1913 Webster]
1: an old breed of powerful deep-chested smooth-coated dog used chiefly as a watchdog and guard dog
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