ptosis /tōˈsis or ptōˈsis/ (medicine)

1. Downward displacement
2. Drooping of the upper eyelid

• knife-and-fork
• knife-board
• knife-boards
• knife-box
• knife-boxes
• knife-boy
• knife-boys
• knifed
• knife-edge
• knife-edges
• knife-grinder
• knife-grinders
• knifeless
• knifelike
• knife-man
• knife-men
• knife-money
• knife pleat
• knife pleats
• knife-point
• knife-points
• knifer
• knife-rest
• knife-rests
• knifers