lowest support of a structure; "it was built on a base of solid rock"; "he stood at the foot of the tower"ある構造の最も下の支えの部分足許
the fleshy part of the human body that you sit on; "he deserves a good kick in the butt"; "are you going to sit on your fanny and do nothing?"人間の体のうち、自分が上に座る肉付きのよい部分臀部
the fundamental assumptions from which something is begun or developed or calculated or explained; "the whole argument rested on a basis of conjecture"何かが開始されるか、開発されるか、計算されるか、または説明される根本的な仮定根柢