Definition for vertical fin - Oxford Dictionaries Online (World English)

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	vertical fin (ver\|ti¦cal fin) noun Zoology any of the unpaired fins in the midline of a fish’s body, i.e. a dorsal, anal, or caudal fin.		More words in this category amniote gemma glochidium hectocotylus inequivalve lingulate lordosis Nematomorpha oestrus pod 2 prognathous Protozoa sclerotome sculpturing shoal 1 siblicide sting tibia umbilicus Nearby Words vert ² vertebra vertebral column vertebrate vertex vertical vertical angles vertical circle vertical file vertical fin vertical integration vertical market vertical stabilizer vertical tasting vertical thinking vertical union vertically challenged verticillium vertiginous