Meaning

2 senses
  1. Relating to basic sustenance or the requirements for everyday living.

  2. Used other than figuratively or idiomatically: see bread, and, butter.

    bread-and-butter pudding

Origin

Reflecting that bread and butter are archetypally basic foodstuffs (daily necessities) in

Reflecting that bread and butter are archetypally basic foodstuffs (daily necessities) in the places where the English language developed; compare daily bread, put bread on the table, earn one's bread, bread and water (as prisoners' diet or poverty diet), and know which side one's bread is buttered on.

Wiktionary, CC BY-SA 4.0 · source

Forms

more bread-and-butter, most bread-and-butter

See also

neighbours in the dictionary
bread-and-butter — meaning, examples, forms, synonyms | Krumeto