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

• choirgirl
• choirgirls
• choiring
• choir loft
• choir lofts
• choirman
• choirmaster
• choirmasters
• choirmen
• choir organ
• choir organs
• choirs
• choir school
• choir schools
• choirscreen
• choirscreens
• choirstalls
• Choisya
• choke
• choke back
• chokeberries
• chokeberry
• chokebore
• chokebores
• choke chain