Heterocercal Fin
nounverified·updated May 18, 2026
a tail fin with unequal lobes in which the vertebral column turns upward into the larger lobe as in sharks
Framework senses
- §1
- a tail fin with unequal lobes in which the vertebral column turns upward into the larger lobe as in sharks
- §1 · legacy_primary
- a tail fin with unequal lobes in which the vertebral column turns upward into the larger lobe as in sharksDR-088 backfill from the noun definition column