(definition) by Webster 1913 Tue Dec 21 1999 at 22:48:43

Cris"sum (kr?s"s?m),, n.; pl. Crissa (-s). [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.

 

© Webster 1913.

I like it!

Log in or register to write something here or to contact authors.