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

• bobby
• bobby calf
• bobby calves
• bobby-dazzler
• bobby-dazzlers
• bobby pin
• bobby pins
• bobbysock
• bobbysocks
• bobbysoxer
• bobbysoxers
• bobcat
• bobcats
• bob-cherries
• bob-cherry
• bob-flies
• bob-fly
• bob major
• bob maximus
• bob minor
• bobol
• bobolink
• bobolinks
• bobolled
• bobolling