feathering (Noun) — Turning an oar parallel to the water between pulls.
feathering (Verb) — Join tongue and groove, in carpentry.
feathering (Verb) — Cover or fit with feathers.
feathering (Verb) — Turn the paddle; in canoeing.
feathering (Verb) — Turn the oar, while rowing.
feathering (Verb) — Grow feathers. ex. "The young sparrows are feathering already"