colonnaded
Concise Oxford English Dictionary © 2008 Oxford University Press:
colonnade /ˌkɒləˈneɪd/
▶noun a row of evenly spaced columns supporting a roof or other structure.
– derivatives
colonnaded adjective.
colonnaded adjective.
– origin C18: from Fr., from colonne ‘column’, from L. columna.
'colonnaded' also found in these Oxford entries:

