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Thesaurus: uropygial

Of or pertaining to the uropygium, or prominence at the base of the tail feathers, in birds.

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  1. a. Of or pertaining to the uropygium, or prominence at the base of the tail feathers, in birds.
  2. Of or pertaining to the uropygium, or prominence at the base of the tail feathers, in birds. Uropygial gland, a peculiar sebaceous gland at the base of the tail feathers in most birds. It secretes an oily fluid which is spread over the feathers by preening.
  3. Of or pertaining to the uropygium, or prominence at the base ofthe tail feathers, in birds. Uropygial gland, a peculiar sebaceousgland at the base of the tail feathers in most birds. It secretes anoily fluid which is spread over the feathers by preening.
  4. a. Of or pertaining to the uropygium, or prominence at the base of the tail feathers, in birds.