bread and butter

Noun bread and butter has 1 sense

• bread and butter(n = noun.possession) keep, livelihood, living, support, sustenance - the financial means whereby one lives; "each child was expected to pay for their keep"; "he applied to the state for support"; "he could no longer earn his own livelihood"
is a kind of resource
has particulars: amenities, comforts, conveniences, creature comforts, maintenance, meal ticket, subsistence