Surfing and Windsurfing. The edge of a surfboard or sailboard. Cf. rail turn n. at compounds 2.

Surfing. The fin of a surfboard.

Building, etc. Surfing. (See quot. 1962.)

Chiefly U.S. The upward curve in the nose and tail of a surfboard; the amount or degree of curvature of this kind. Also in extended use.

An implement of the form described above (sense 2), or something similar to this, used for various purposes. Surfing. = rocker, n.1 9c.

A rope attached to a surfboard and tied to the surfer’s ankle to prevent the board being washed away.

a device connecting a sailboard to the lower end of its mast, containing a universal joint which allows the mast to be turned in all directions.