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crumen

crumen Zool.
  (ˈkruːmɛn)
  [ad. L. crumēna purse.]
  The suborbital gland in deer and antelopes, secreting a waxy substance.

1875 W. H. Flower in Proc. Zool. Soc. 160 There was no suborbital gland or crumen [in a musk-deer]. 1883 [see suborbital a.]. 1902 F. A. Beddard in Cambr. Nat. Hist. X. xi. 299 There is no crumen or suborbital gland [in the musk-deer].

Oxford English Dictionary

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