'Playmate' definitions:

Definition of 'playmate'

From: WordNet
noun
A companion at play [syn: playmate, playfellow]

Definition of 'Playmate'

From: GCIDE
  • Playmate \Play"mate`\, n. A companion in diversions; a playfellow. [1913 Webster]

Synonyms of 'playmate'

From: Moby Thesaurus