hypobasis

[hahy-poh-bey-sis]

noun, plural hy·po·ba·ses [hahy-poh-bey-seez] /ˌhaɪ poʊˈbeɪ siz/. Architecture.

the lowermost distinctively treated part of a base.
a lower base beneath an upper and more important one.

Origin of hypobasis

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019