I.
noun
ADJECTIVE
▪ pointed , round , rounded
▪ brick , steel , stone , etc.
▪ monumental ( esp. BrE ), triumphal
▪ Gothic , Romanesque , etc.
▪ proscenium
▪
a performance space with a traditional proscenium ~
▪ railway ( BrE )
▪
Homeless people slept under the railway ~es.
▪ graceful
▪
the graceful ~es of the bridge
VERB + ARCH
▪ build , erect
▪
This huge triumphal ~ was erected at the beginning of this century.
▪ form , make
▪
The branches of the trees formed an ~ over the bench.
PREPOSITION
▪ beneath an/the ~ , through an/the ~ , under an/the ~
▪
He rode under the ~.
II.
verb
Arch is used with these nouns as the subject: ↑ back , ↑ eyebrow
Arch is used with these nouns as the object: ↑ back , ↑ brow , ↑ eyebrow