Definition of basest:
(n) :
Something from which other things extend; a foundation.
(n) :
A supporting, lower or bottom component of a structure or object.
(n) :
The starting point of a logical deduction or thought; basis.
(n) :
A site, structure, or both, usually durable and often permanent, for housing military personnel and materiel.
(n) :
The place where decisions for an organization are made; headquarters.
(n) :
(cooking, painting, pharmacy) A basic but essential component or ingredient.