The Collaborative International Dictionary of English v.0.48:
Dyer \Dy"er\, n. One whose occupation is to dye cloth and the like. [1913 Webster] dyer's rocket, Dyer's weed. Same as Dyer's broom. [1913 Webster] dyer's broomWordNet (r) 3.0 (2006):
dyer n 1: someone whose job is to dye cloth