The Collaborative International Dictionary of English v.0.48:
Dairyman \Dai"ry*man\, n.; pl. Dairymen. A man who keeps or takes care of a dairy. [1913 Webster]WordNet (r) 3.0 (2006):
dairyman n 1: the owner or manager of a dairy [syn: dairyman, dairy farmer] 2: a man who works in a dairy