C3R1I1S1S1U1M3
11 points
CRISSUM is validvalid
a region of feathers on a bird [n CRISSA] : CRISSAL [adj]
(Latin) the area surrounding a bird's cloaca, including the under-tail feathers [n CRISSA]
a region of feathers on a bird [n CRISSA] : CRISSAL [adj]
(Latin) the area surrounding a bird's cloaca, including the under-tail feathers [n CRISSA]