Definitions
1.nounA copy made by the manifold writing process.
2.nounA pipe fitting or similar device that connects multiple inputs or outputs.
3.noun(chiefly in the plural) The third stomach of a ruminant animal, an omasum.
4.nounA topological space that looks locally like the "ordinary" Euclidean space \mathbb{R}^n and is Hausdorff.
5.nounA polygon mesh representing the continuous, closed surface of a solid object
6.adjectiveVarious in kind or quality; diverse."The manifold meanings of the simple English word set are infamous among dictionary makers."
7.adjectiveMany in number, numerous; multiple, multiplied.
8.adjectiveComplicated.
9.adjectiveExhibited at diverse times or in various ways.
10.adverbMany times; repeatedly.