n.
1.the basis on which something is grounded
2.an institution supported by an endowment
3.the fundamental assumptions from which something is begun or developed or calculated or explained
4.lowest support of a structure
5.education or instruction in the fundamentals of a field of knowledge
6.a woman's undergarment worn to give shape to the contours of the body
7.the act of starting something for the first time
Idiom of the Day
try one's luck at (something)
to try to do something (where success depends on luck)
I will try my luck at buying a lottery ticket although I usually never win.