Residual
WordNet
adjective
(1) Relating to or indicating a remainder
"Residual quantity"
noun
(2) (often plural) a payment that is made to a performer or writer or director of a television show or commercial that is paid for every repeat showing
"He could retire on his residuals"
(3) Something left after other parts have been taken away
"There was no remainder"
"He threw away the rest"
"He took what he wanted and I got the balance"
WiktionaryText
Etymology
Recorded since 1570. From residue, itself from residu (=modern), from residuum "a remainder", the neutral inflection of residuus "remaining, left over", the past participle of residere "remain behind" (from re- 'back, again' + sedere to sit, reside').