Remnant
Part of speech: noun
Definition: The small portion remaining of a larger thing or group. The remaining fabric at the end of the bolt. An unsold end of piece goods, as cloth, ribbons, carpets, etc.
Leftover
Part of speech: noun
Definition: Something left behind; an excess or remainder.
Part of speech: adjective
Definition: Remaining; left behind; extra; in reserve.Remaining after a meal is complete or eaten for a later meal or snack.