Usually, leftovers. food remaining uneaten at the end of a meal, esp. when saved for later use.

anything left or remaining from a larger amount; remainder.

being left or remaining, as an unused portion or amount

leftover meatloaf.

adjective

core , main , principle

noun

main meal

adjective

extra , residual , surplus , unconsumed , uneaten , untouched , unused , unwanted

noun

debris , leavings , legacy , oddments , odds and ends * , orts , remnants , residue , scraps , surplus , survivor , trash , remainder , remains , remnant , rest , excess , extra , oddment , ort , remanent