antrum /anˈtrəm/ (esp anatomy)

A cavity

• sub rosa
• subroutine
• subroutines
• subs
• subsacral
• sub-Saharan
• subsample
• subsamples
• subscapular
• subscapulars
• subschema
• subschemata
• subscribable
• subscribe
• subscribed
• subscriber
• subscribers
• subscriber set
• subscriber sets
• subscriber station
• subscriber stations
• subscriber trunk dialling
• subscribes
• subscribing
• subscribings