(On a bird) a gland at the base of the tail that produces the oil used in preening.
More example sentences
- However, perhaps the plumage of birds with preen glands is more resilient to abrasion from preening.
- Our results provide the first rigorous evidence that the preen gland is important for plumage condition in birds other than waterfowl.
- More work is needed on the function and distribution of preen glands in Rock Doves and across other species of birds.
Definition of preen gland in:
- The British & World English dictionary