bread and butter
noun, interjection
- noun (idiomatic) That which is central or fundamental, as to one's business, survival, or income; a staple or cornerstone. “They will do some machining if you ask them, but sheet metal has always been their bread and butter.”
- noun (idiomatic) The basic requirements of living, such as food and housing.
- noun Used other than figuratively or idiomatically: see bread, butter.
- interjection Said when two people walking together are temporarily separated by an obstacle in order to indicate that they belong together.
Synonyms
Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “bread and butter”, CC BY-SA 4.0. Details