unfeather

English

Etymology

From un- +‎ feather.

Verb

unfeather (third-person singular simple present unfeathers, present participle unfeathering, simple past and past participle unfeathered)

1. To strip of feathers.
2. (aviation) To disengage the controls that rotate the blades of a propeller perpendicular to the axis of the propeller.

   unfeather the propeller

References

• “unfeather”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.