bread spread with butter.
a basic means of support; source of livelihood; sustenance:
The automobile industry is the bread and butter of many Detroiters.
providing a livelihood or basic source of income; supplying the basic needs of life:
a bread-and-butter job; the agency’s bread-and-butter account.
of or relating to basic needs:
housing and other bread-and-butter political issues.
basic or everyday; staple; routine.
expressing thanks for hospitality:
a bread-and-butter letter.
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(modifier) a means of support or subsistence; livelihood: the inheritance was their bread and butter
providing a basic means of subsistence: a bread-and-butter job
solid, reliable, or practical: a bread-and-butter player
expressing gratitude, as for hospitality (esp in the phrase bread-and-butter letter)
The essential, sustaining element, as in The quality of the schools is the bread and butter of town property values. This idiom alludes to a basic food, bread spread with butter. [ c. 1700 ]
Means of livelihood, as in John’s job is the family’s bread and butter. [ First half of 1700s ]
Ordinary, routine, as in Don’t worry about it; this is just a bread and butter assignment. [ Second half of 1800s ]
Naval Architecture. a wooden hull model carved from a number of horizontal planks glued together to represent the outlines of the various decks.
an unpeeled slice of cucumber marinated in salt water and boiled with vinegar, celery seed, spices, and brown sugar.
something, as extravagant entertainment, offered as an expedient means of pacifying discontent or diverting attention from a source of grievance. Note: “Bread and circuses” has become a convenient general term for government policies that seek short-term solutions to public unrest.
noun (Brit, slang) money