Definition of vertical fin in English:

vertical fin

Syllabification: 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 example sentences
  • But the first thing he saw as he surfaced was not a dolphin but the vertical fin of a great white.
  • At hatching the larvae are quite advanced with pigmented eyes, well-developed jaws, digestive tracts, and vertical fin folds.

Definition of vertical fin in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day envenom
Pronunciation: ɪnˈvɛnəm
verb
put poison on or into; make poisonous