preen gland

noun

1. uropygial gland.

Word History and Origins

Origin of preen gland¹

First recorded in 1920–25

Example Sentences

But juncos likely aren’t making their perfume alone: Lots of those preen gland chemicals are naturally made by bacteria.

From Science Magazine

The embryo's survival may be enhanced by the odorous, oily secretions of the mother's preen gland that grease the eggs' shells during laying and incubation.

From Nature

The uropygial or preen gland is found in the majority of birds and is situated near the base of the tail.

From US News