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Webster 1913 Edition

Crissum

‖

Cris′sum

(kr?s′s?m)
,,
Noun.
;
pl.
Crissa
(-s[GREEK])
.
[NL.; cf. L.
crisso
to move the haunches.]
(Zool.)
That part of a bird, or the feathers, surrounding the cloacal opening; the under tail coverts.

Definition 2024

crissum

crissum

English

Noun

crissum ‎(plural crissa)

  1. The area of feathers on a bird that surround its cloaca.

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