from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A small, relatively thin column, often used for decoration or to support an arcade.
from The Century Dictionary.
- noun A little column.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun architecture a small, thin
column, especially one used to support an arcade
from The American Heritage® Dictionary of the English Language, 4th Edition
[French, diminutive of colonne, column, from Old French columpne, from Latin columna; see kel- in Indo-European roots.]
from Wiktionary, Creative Commons Attribution/Share-Alike License
The most interesting part is the five-sided apse, with in each side one long lancet window, and above it two small windows separated by an impost colonnette.