'Dogwatch' definitions:

Definition of 'dogwatch'

(from WordNet)
noun
Either of two short watches: from 4-6 pm or 6-8 pm

Definition of 'Dogwatch'

From: GCIDE
  • Dogwatch \Dog"watch`\, n. (Naut.) A half watch; a watch of two hours, of which there are two, the first dogwatch from 4 to 6 o'clock, p. m., and the second dogwatch from 6 to 8 o'clock, p. m. --Totten. [1913 Webster]

Synonyms of 'dogwatch'

From: Moby Thesaurus