What is "moth miller"

Miller \Mill"er\ (m[i^]l"[~e]r), n.

1. One who keeps or attends a flour mill or gristmill.

2. A milling machine.

3. (Zo["o]l.)

   1. 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.

   2. The eagle ray.

   3. The hen harrier. [Prov. Eng.] Miller's thumb. (Zo["o]l.)

      1. A small fresh-water fish of the genus Uranidea (formerly Cottus), as the European species ( Uranidea gobio), and the American ( Uranidea gracilis); -- called also bullhead.

      2. A small bird, as the gold-crest, chiff-chaff, and long-tailed tit. [Prov. Eng.]

n. any of various moths that have powdery wings [syn: miller]