crissumn.

/ˈkrɪsəm/

Etymology: modern Latin (1811 Illiger, Prodromus 166), < crissāre ‘clunem movere’.

Ornithology.

The anal region of a bird under the tail; the vent-feathers or lower tail-coverts.

ΘΚΠ

the world > animals > birds > parts of or bird defined by > [noun] > anus

fundament1656

crissum1874

1874 E. Coues Birds Northwest 314 There is more dark color on the crissum.

This entry has not yet been fully updated (first published 1893; most recently modified version published online September 2018).

单词	crissum
释义	crissumn. /ˈkrɪsəm/ Etymology: modern Latin (1811 Illiger, Prodromus 166), < crissāre ‘clunem movere’. Ornithology. The anal region of a bird under the tail; the vent-feathers or lower tail-coverts. ΘΚΠ the world > animals > birds > parts of or bird defined by > [noun] > anus fundament1656 crissum1874 1874 E. Coues Birds Northwest 314 There is more dark color on the crissum. This entry has not yet been fully updated (first published 1893; most recently modified version published online September 2018). < n.1874
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