family Argentinidae fa·mi·lyar·gentinidae uncommon noun 1. small marine soft-finned fishes with long silvery bodies; related to salmons and trouts SynonymsArgentinidaefamily Argentinidae Related words Broader terms fish family Parts Isospondyli Part of Argentina WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
