1. A series of columns placed at regular intervals.
2. A structure composed of columns placed at regular intervals.
[French, alteration of colonnate, from Italian colonnato, from colonna, column, from Latin columna; see kel-2 in the Appendix of Indo-European roots.]
(click for a larger image)colonnade
façade of the thermal bath Frauenbad building
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.