noun.
A freshwater fish (Amia calva) of central and eastern North America, having a large mouth and a long dorsal fin, and producing roe that is sometimes used for caviar.
The Century Dictionary and Cyclopedia
noun.
A name of the mudfish, Amia calva. Also called brindle, grindle, lawyer, dogfish, etc. See cut under Amiidœ.
the GNU version of the Collaborative International Dictionary of English
noun.
A voracious ganoid fish (Amia calva) found in the fresh waters of the United States; the mudfish; -- called also Johnny Grindle, and dogfish.