What is a thick mass or collection of hairs on the legs of bees, by aid of which they carry the collected pollen to the hive or nest; -- usually in the plural called?

kneebrush — (Zoöl.) A thick mass or collection of hairs on the legs of bees, by aid of which they carry the collected pollen to the hive or nest; -- usually in the plural. (Webster's 1913.)

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