Bur fish

Bur´ fish`


1.(Zool.) A spinose, plectognath fish of the Allantic coast of the United States (esp. Chilo mycterus geometricus) having the power of distending its body with water or air, so as to resemble a chestnut bur; - called also ball fish, balloon fish, and swellfish.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.