adj. a fish that travels between salt water and fresh water
The Century Dictionary and Cyclopedia
In botany, having all the nearly equal nerves proceeding in a fan-like, manner from the summit of the petiole to the margin of the leaf, as in the maidenhair-tree.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. (used of fish) migratory between fresh and salt waters
Word Usage
"The term "diadromous" refers to any fish that migrate between saltwater and freshwater."