Found 2 items, similar to rictus.
English → English (WordNet) Definition: rictus rictus n : a gaping grimace
English → English (gcide) Definition: Rictus Rictus \Ric"tus\, n. [L., the aperture of the mouth.] The gape of the mouth, as of birds; -- often resricted to the corners of the mouth. [1913 Webster]