surbased: Meaning and Definition of

sur•based

Pronunciation: (sûr'bāst"), [key]
— adj. Archit.
  1. having a surbase.
  2. depressed; flattened.
  3. (of an arch) having a rise of less than half the span.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.