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

• tesseracts
• tesserae
• tesseral
• tessitura
• tessituras
• test
• Test.
• testa
• testability
• testable
• testaceous
• testacies
• Test Acts
• testacy
• testae
• testament
• testamental
• testamentar
• testamentarily
• testamentary
• testament-dative
• testaments
• testament-testamentar
• testamur
• testamurs