What is the act of turning the blade of the oar, as it rises from the water in rowing, from a vertical to a horizontal position. See To feather an oar, under Feather, v. t called?

feathering — The act of turning the blade of the oar, as it rises from the water in rowing, from a vertical to a horizontal position. See To feather an oar, under Feather, v. t. (Webster's 1913.)

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