The phrase "primary breadwinner" refers to the person in a household who earns the main or primary income for the family. They usually contribute the major portion of the family's financial support. Full definition
While men still represent the majority of primary breadwinners in the U.S., the gap between the sexes is assuredly closing. (protective.com)
For example, a 35 year old primary breadwinner of the household with young children may want to consider buying a term life policy that would fully cover the family's financial obligations. (trustedchoice.com)
Last week, a Pew study revealed that in four out of ten American households with children, the mother is the sole or primary breadwinner for the family, the highest share on record. (rachelheldevans.com)