Definition of ventral fin in English:

ventral fin

Line breaks: ven|tral fin

noun

1 Zoology another term for pelvic fin.
1.1An unpaired fin on the underside of certain fishes.
More example sentences
  • They have no pectoral or ventral fins and their dorsal, tail and anal fins are merged into one long fin down the back.
  • Haddock are typically cod-like with three dorsal fins and two ventral fins.
  • Cod have three dorsal fins and two ventral fins for increased manoeuvrability.
2A single vertical fin under the fuselage or tail of an aircraft.
More example sentences
  • IAI and Cyclone Aviation Products Ltd in Carmiel manufacture the ventral fins, rudders, horizontal stabilisers and engine access doors.
  • The Impala has a small lipstick camera mounted on the ventral fin to record the visual and audio aspects of your flight.
  • A ventral fin was also installed but by the time testing was completed, the Navy had lost interest in the program.

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Pronunciation: ˈsiːtəʊs
adjective
bearing bristles or setae; bristly