1. Fish sperm, including the seminal fluid.
2. The reproductive glands of male fishes when filled with this fluid.
tr.v. milt·ed, milt·ing, milts
To fertilize (fish roe) with milt.
[Middle English, spleen, milt, probably partly from Middle Dutch milte, spleen, milt, and partly from Old English milte, spleen; see mel-1 in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.