feathering

(noun) turning an oar parallel to the water between pulls. Synonyms: feather.

(verb) join tongue and groove, in carpentry. Synonyms: feather.

(verb) cover or fit with feathers. Synonyms: feather.

(verb) turn the paddle; in canoeing. Synonyms: feather, square.

(verb) turn the oar, while rowing. Synonyms: feather, square.

(verb) grow feathers. Synonyms: fledge, feather. Examples: "The young sparrows are fledging already."