from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Having a surbase.
- adj. Of or being an arch having a rise less than half its span.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. having its height less than half of its span
- adj. having a surbase
from the GNU version of the Collaborative International Dictionary of English
- adj. Having a surbase, or molding above the base.
- adj. Having the vertical height from springing line to crown less than the half span; -- said of an arch.
from The Century Dictionary and Cyclopedia
- Depressed; flattened.
- In architecture, having a surbase, or molding above the base.
From French surbaissé, past participle of surbaisser, to flatten : sur-, intensive pref. (from Old French; see sur-) + baisser, to lower (from Old French baissier, from Vulgar Latin *bassiāre; see abase).(American Heritage® Dictionary of the English Language, Fourth Edition)
French surbaissé. (Wiktionary)