colonnades is a form of:

Colonnade



noun
1.
(a row of columns) សសររបៀងធំហើយមានចម្ងាយពីមួយទៅមួយស្មើគ្នា, ជួរសសរ
ENGLISH MEANING
noun
1.
A series or range of columns placed at regular intervals with all the adjuncts, as entablature, stylobate, roof, etc.