yield·er \-də(r)\noun (-s) Etymology: Middle English yeldere, from yelden to yield + -ere -er : one that yields: as a.: one that surrenders, concedes, or gives in < I was not born a yielder — Shakespeare > b.: something that yields produce or products : something that produces or furnishes — usually used with qualifier < direct taxes … proved poor yielders — C.L.Jones > < a variety of corn that is established as a good yielder >