dog

dog is a   Noun

Definition:

[1] A quadruped of the genus Canis, esp. the domestic dog (C. familiaris).

[2] A mean, worthless fellow; a wretch. What is thy servant, which is but a dog, that he should do this great thing 2 Kings viii. 13 (Rev. Ver. )

[3] A fellow; -- used humorously or contemptuously; as, a sly dog; a lazy dog. [Colloq.]

[4] 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).

[5] An iron for holding wood in a fireplace; a firedog; an andiron.

[6] A grappling iron, with a claw or claws, for fastening into wood or other heavy articles, for the purpose of raising or moving them.

[7] An iron with fangs fastening a log in a saw pit, or on the carriage of a sawmill.

[8] 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.

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