tessera /tesˈə-rə/

1. One of the small pieces of which a mosaic is made
2. A token or ticket made usu of wood or bone (ancient hist)
3. A password. See also tessara-

tessˈeral adjective

1. Of tesserae
2. Cubic, isometric (crystallography)

• bivium
• bivouac
• bivouacked
• bivouacking
• bivouacs
• bivvies
• bivvy
• bi-weeklies
• bi-weekly
• Bixa
• Bixaceae
• bi-yearly
• biz
• bizarre
• bizarrely
• bizarreness
• bizarrerie
• bizarreries
• bizazz
• bizazzes
• bizcacha
• bizonal
• bizone
• bizones
• bizzazz