1. The top of a container that must be screwed off and on

Derived forms: screwtops

Type of: cover, top

• usherette
• ushering in
• using
• using up
• Uskub
• USMC
• USN
• Usnea
• Usnea barbata
• Usneaceae
• Usonian
• USP
• USPS
• usquebaugh
• USS
• USS Cole
• Ussher
• USSR
• USSS
• Ustilaginaceae
• Ustilaginales
• Ustilaginoidea
• Ustilaginoidea virens
• Ustilago
• Ustilago maydis