From The Collaborative International Dictionary of English v.0.48 :
broadcaster \broadcaster\ n.
1. someone who broadcasts on radio or television.
[WordNet 1.5]
2. a mechanical device for scattering something (seed,
fertilizer, sand, salt, etc.) in all directions.
Syn: spreader.
[WordNet 1.5]
From WordNet (r) 3.0 (2006) :
broadcaster
n 1: someone who broadcasts on radio or television
2: a mechanical device for scattering something (seed or
fertilizer or sand etc.) in all directions [syn:
broadcaster, spreader]