uropygium

(yo̵or′ə pijē əm)

noun pl. uropygia or uropygiums

the hump at the rear extremity of a bird's body, from which the tail feathers grow

Origin: ModL < Gr ouropygion, altered (infl. by oura, tail: see uro-) < orrhopygion < orrhos, end of the os sacrum + pygē, rump

Related Forms:

See uropygium in American Heritage Dictionary 4

noun
The posterior part of a bird's body, from which the tail feathers grow.

Origin:

Origin: New Latin ūropygium

Origin: , from Greek ouropugion

Origin: : ouro-, tail; see uro-2

Origin: + pugē, rump

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Related Forms:

  • uˌro·pyˈgi·al (-əl) adjective
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