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

• icterics
• icterid
• Icteridae
• icterine
• icteritious
• icterus
• icteruses
• ictic
• ictus
• ictuses
• ICU
• icy
• icy-pearled
• -id
• i.d.
• id
• id.
• I'd
• ID
• IDA
• Ida.
• -idae
• Idaean
• Idaean vine
• Id al-Adha