English

Definition of rictus noun from the Oxford Advanced Learner's Dictionary

 

rictus

 noun
noun
BrE BrE//ˈrɪktəs//
 
; NAmE NAmE//ˈrɪktəs//
 
(formal)
 
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a wide twisted or smiling mouth that does not look natural or relaxed Word Origin early 19th cent.: from Latin, literally ‘open mouth’, from rict- ‘gaped’, from the verb ringi.
See the Oxford Advanced American Dictionary entry: rictus