1.Definition: a dull unattractive unpleasant girl or woman

"She got a reputation as a frump", "She's a real dog"

Related Noun(s):frump

Category: People

2.Definition: a hinged catch that fits into a notch of a ratchet to move a wheel forward or prevent it from moving backward

Related Noun(s):click, detent, pawl

Category: Objects

3.Definition: 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"

Category: Animals

4.Definition: informal term for a man

"You lucky dog"

Category: People

5.Definition: metal supports for logs in a fireplace

Related Noun(s):andiron, firedog

Category: Objects

6.Definition: someone who is morally reprehensible

"You dirty dog"

Related Noun(s):blackguard, bounder, cad, heel, hound

Category: People