vitta /vitˈə/

1. A stripe of colour (botany and zoology)
2. A thin, elongated cavity containing oil, found in the pericarps of some fruits (botany)

• upon oath
• upon one's best behaviour
• upon one's legs
• upon the alert
• upon the anvil
• upon the gad
• upon the heels of
• upon the shun
• upon the whole
• upon the wing
• up-over
• upo’
• upped
• upper
• upper atmosphere
• upper atmospheres
• upper-bracket
• upper-case
• upper chamber
• up-perched
• upper class
• upper-class
• upper classes
• upper crust
• upper-crust