risus

(redirected from Risus Companion)

risus

 [ri´sus] (L.)
laughter.
risus sardo´nicus a grinning expression produced by spasm of the facial muscles; seen in tetanus and certain types of poisoning.

ri·sus

(rī'sŭs), The plural of this word is risus, not risi.
Laughter.
[laughter]