'fantail goldfish' definitions:

Definition of 'fantail goldfish'

From: GCIDE

fantail goldfish \fan"tail` gold"fish\, n. (Zool.) a type of goldfish bred artificially, having a realtively short oval body and a tail with four lobes arrayed somewhat like a folding fan, as though forming a part of the surface of a cone. Called also fantail. [PJC]