Each of the rows of spiny hairs found in most bees on the inner surface of the first tarsal joint of the hind leg, used to scrape pollen from the middle pair of legs and the posterior part of the abdomen.
Origin
Early 20th century.
Definition of pollen comb in US English:
pollen comb
noun
Each of the rows of spiny hairs found in most bees on the inner surface of the first tarsal joint of the hind leg, used to scrape pollen from the middle pair of legs and the posterior part of the abdomen.