(1):

(n.) The eagle ray.

(2):

(n.) A moth or lepidopterous insect; - so called because the wings appear as if covered with white dust or powder, like a miller's clothes. Called also moth miller.

(3):

(n.) A milling machine.

(4):

(n.) The hen harrier.

(5):

(n.) One who keeps or attends a flour mill or gristmill.