fishtail (fishtal)

and a. I. n. 1. The tail of a fish.-2. A thysanurous insect of the family Lepismida, as Lepisma domestic a or L. saccharin a; a silvertail; a silver-fish: in this sense properly fishtail. See Lepisma. Also called fishmoth. [Local, U. S.] II. a . Shaped like a fish's tail; resembling a fish's tail in any way. Fish-tail burner. See burner. Fish-tail propeller ( naut .), a propeller consisting of a single wing or blade attached to the stern-post of a ship, and oscillating like a fish's tail.