Definitions
There is 1 meaning of the phrase
Ventral Fin.
Ventral Fin - as a noun
Either of a pair of fins attached to the pelvic girdle in fishes that help control the direction of movement; correspond to hind limbs of a land vertebrate
Synonyms (Exact Relations)
pelvic finExample Sentences
"The fish uses its ventral fin to stabilize itself while swimming."
"The ventral fin of the shark is long and elegant."
"Most fish have two ventral fins on their bodies."
"The ventral fin helps the fish change direction quickly."
"The ventral fin of the dolphin is small and triangular."