rictus /rikˈtəs/ (zoology)

1. The gape, esp of a bird
2. The chink or aperture of a lipped corolla
3. Unnatural gaping of the mouth, eg in horror

ricˈtal adjective

1. Of the gape
2. At the corners of the mouth

• coch
• co-chair
• co-chaired
• co-chairing
• co-chairs
• coches
• Cochin
• Cochin-China
• cochineal
• cochineal insect
• cochineal insects
• cochineals
• cochlea
• cochleae
• cochlear
• cochleare
• cochleares
• Cochlearia
• cochleariform
• cochlears
• cochleate
• cochleated
• cock
• cock-a-bondy
• cockabullies