architrave

US /ˈɑːr.kə.treɪv/
UK /ˈɑːr.kə.treɪv/
"architrave" picture
1.

the main beam resting across the tops of columns, specifically the lower part of an entablature.

:
The ancient Greek temple featured a beautifully carved architrave.
The architect carefully designed the proportions of the architrave to complement the columns.
2.

a molded frame around a doorway or window

:
The ornate architrave around the grand entrance added to the building's elegance.
He carefully installed the new wooden architrave around the window frame.