1.Definition: lowest support of a structure

Related Noun(s):base, foot, foundation, fundament, substructure, understructure

Category: Objects

2.Definition: preliminary preparation as a basis or foundation

"We are prepared today because of groundwork that was done ten years ago"

Category: General

3.Definition: the fundamental assumptions from which something is begun or developed or calculated or explained

Related Noun(s):base, basis, cornerstone, foundation, fundament

Category: General