Fish-tail

• (a.) Like the of a fish; acting, or producing something, like the tail of a fish.
Found on http://thinkexist.com/dictionary/meaning/fish-tail/

Fish-tail

Fish'-tail` adjective 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 bl...
Found on http://www.encyclo.co.uk/webster/F/34
No exact match found