dog

n 1: a member of the genus Canis (probably descended from the

common wolf) that has been domesticated by man since

prehistoric times; occurs in many breeds; "the dog

barked all night" [syn: {domestic dog}, {Canis

familiaris}]

2: a dull unattractive unpleasant girl or woman; "she got a

reputation as a frump"; "she's a real dog" [syn: {frump}]

3: informal term for a man: "you lucky dog"

4: someone who is morally reprehensible; "you dirty dog" [syn:

{cad}, {bounder}, {blackguard}, {hound}, {heel}]

5: a hinged device that fits into a notch of a ratchet to move

a wheel forward or prevent it from moving backward [syn: {pawl},

{detent}, {click}]

6: metal supports for logs in a fireplace; "the andirons were

too hot to touch" [syn: {andiron}, {firedog}, {dogiron}]

v : go after with the intent to catch [syn: {chase}, {chase

after}, {trail}, {tail}, {tag}, {go after}, {track}]