DICT.TW Dictionary Taiwan

 Fish-tail a. Like the of a fish; acting, or producing something, like the tail of a fish.
 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.
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 fishtail
      v : slow down by moving the tail sideways; "The airplane
          fishtailed on the runway"