I. ˈven-trəl adjective
Etymology: French, from Latin ventralis, from ventr-, venter
Date: 1739
1.
a. : of or relating to the belly : abdominal
b. : being or located near or on the anterior or lower surface of an animal opposite the back
2. : being or located on the lower surface of a dorsiventral plant structure
• ven·tral·ly -trə-lē adverb
II. noun
Date: 1834
: a ventral part (as a scale or fin)