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

• rebateable
• rebated
• rebatement
• rebatements
• rebater
• rebaters
• rebates
• rebating
• rebato
• rebatoes
• rebbe
• rebbes
• rebbetzin
• rebbetzins
• rebec
• Rebecca
• rebecca-eureka
• rebecca-eurekas
• Rebeccaism
• Rebeccaite
• Rebecca riots
• rebeck
• rebecks
• rebecs
• rebel