Surfboard stabilizer (3)
I believe the answer is:
fin
(Other definitions for fin that I've seen before include "Paddle-like organ" , "Aerodynamic surface" , "Swimmer's flipper" , "Found on a fish" , "Fishy appendage" .)
I believe the answer is:
fin
(Other definitions for fin that I've seen before include "Paddle-like organ" , "Aerodynamic surface" , "Swimmer's flipper" , "Found on a fish" , "Fishy appendage" .)