milter

[mil-ter]

noun

a male fish in breeding time.

Origin of milter

First recorded in 1595–1605; milt + -er1
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British Dictionary definitions for milter

milter

noun

a male fish that is mature and ready to breed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012