'Fish-tail propeller' definitions:

Definition of 'Fish-tail propeller'

From: GCIDE
  • fishtail \fishtail\ v. i. to have the rear end skid from side to side, out of control: -- said of automobiles or other vehicles. [PJC]
  • Fish-tail burner, a gas burner that gives a spreading flame shaped somewhat like the tail of a fish.
  • Fish-tail propeller (Steamship), a propeller with a single blade that oscillates like the tail of a fish when swimming. [1913 Webster]