'Breadwinner' definitions:

Definition of 'breadwinner'

From: WordNet
noun
One whose earnings are the primary source of support for their dependents

Definition of 'Breadwinner'

From: GCIDE
  • Breadwinner \Bread"win`ner\ (br[e^]d"w[i^]n`n[~e]r), n. The member of a family whose labor supplies the food of the family; one who works for his living. --H. Spencer. [1913 Webster]

Synonyms of 'breadwinner'

From: Moby Thesaurus