What does "featherable" mean?

Of a propeller: capable of having its blades streamlined by rotating them perpendicular to the axis of the propeller when the engine is shut down, so that the propeller does not windmill as the aircraft flies.

Featherable

adj

adj ·Rare ·Advanced level

Definitions

Adjective

1
Of a propeller: capable of having its blades streamlined by rotating them perpendicular to the axis of the propeller when the engine is shut down, so that the propeller does not windmill as the aircraft flies. not-comparable

Etymology

From feather + -able.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.