The Collaborative International Dictionary of English v.0.48:
Gatherer \Gath"er*er\, n. 1. One who gathers or collects. [1913 Webster] 2. (Sewing Machine) An attachment for making gathers in the cloth. [1913 Webster]WordNet (r) 3.0 (2006):
gatherer n 1: a person who gathers; "they were a society of hunters and gatherers" 2: a person who is employed to collect payments (as for rent or taxes) [syn: collector, gatherer, accumulator]