'crawdad' definitions:

Definition of 'crawdad'

From: WordNet
noun
Tiny lobster-like crustaceans usually boiled briefly [syn: crayfish, crawfish, crawdad, ecrevisse]
noun
Small freshwater decapod crustacean that resembles a lobster [syn: crayfish, crawfish, crawdad, crawdaddy]

Definition of 'crawdad'

From: GCIDE
  • crawdad \craw"dad\ (kr[add]"d[a^]d), crawdaddy \craw"dad*dy\(kr[add]"d[a^]d*d[y^]), n. (Zool.) same as crawfish [PJC] Crawfish