Crissum is a 7 letter English word. It's valid Scrabble word worth 11 points. It's valid Words with friends word worth 14 points.
You can make 134 anagrams from letters in crissum (cimrssu).
1870-75; New Latin, equivalent to Latin criss(āre) to move the haunches + -um noun suffix
The mature male is purplish-gray below, with a tendency to whitening on the throat, belly and crissum.
The rump is also much more yellow (less green) and the crissum is more yellow (less orange).
Below grayish buff rapidly fading when older to a greenish gray; abdomen and crissum pale straw-yellow.
Female: above grey, densely striated with black; beneath dirty white, with dense black striations, belly and crissum fulvous.
Below, greenish buff paler and yellower on abdomen and crissum.
Below, pale yellowish wood-brown, straw-yellow on abdomen and crissum.
Below, olive-yellow darker on the flanks, the abdomen and crissum white.
In addition the dorsal region is more greenish-olive, and the abdomen and crissum of a purer white.
Female olive-brown, paler below, chin pale ochraceous; middle of belly and crissum white; bill brown, feet yellowish.
Below, bright lemon-yellow, the crissum white or merely tinged with yellow.