Lagodon rhomboides la·go·donr·homboides uncommon noun 1. similar to sea bream; small spiny-finned fish found in bays along the southeastern coast of the United States Synonymspinfishsailor's-choicesquirrelfishLagodon rhomboides Related words Broader terms sparid Parts Lagodon WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.