[dairy] n, pl dair.ies often attrib [ME deyerie, fr. deye dairymaid, fr. OE daege kneader of bread; akin to OE dag dough--more at dough] (14c) 1: a room, building, or establishment where milk is kept and butter or cheese is made
2. a: the department of farming or of a farm that is concerned with the production of milk, butter, and cheese b: a farm devoted to such production
3: an establishment for the sale or distribution chiefly of milk and milk products