backwind

From back +‎ wind.

backwind (third-person singular simple present backwinds, present participle backwinding, simple past and past participle backwinded)

1. (nautical) To deflect air into the back of a sail or of a vessel

   If a sailing boat's bow is pointing too high into the wind the sails backwind.

backwind (plural backwinds)

1. (nautical) The flow of air so deflected

From back +‎ wind.

backwind (third-person singular simple present backwinds, present participle backwinding, simple past and past participle backwound)

1. (transitive) To wind backwards.
   • 1978, Educational & Industrial Television, volume 10, page 138:

     This works because tape packs with equal diameters also have equal circumferences, therefore the distance the tape on each deck travels when backwound from the edit point is the same.

• wind back