proscenium /prō-sēˈni-əm/

1. The front part of the stage
2. The curtain and its framework, esp the arch that frames the more traditional type of stage (proscenium arch)
3. The stage itself in an ancient theatre

• collision course
• collision courses
• collisions
• collocate
• collocated
• collocates
• collocating
• collocation
• collocations
• collocutor
• collocutors
• collocutory
• collodion
• collodions
• collogue
• collogued
• collogues
• colloguing
• colloid
• colloidal
• colloidal system
• colloids
• collop
• Collop Monday
• collops