definition of
manifold

[1] #1 manifold n. a pipe that has several lateral outlets to or from other pipes. wn

[2] #2 manifold s. [multiplex] many and varied; having many features or forms; "manifold reasons"; "our manifold failings"; "manifold intelligence"; "the multiplex opportunities in high technology". wn

[3] #3 manifold v. make multiple copies of; "multiply a letter". wn

[4] #4 manifold n. [manifold paper] a lightweight paper used with carbon paper to make multiple copies; "an original and two manifolds". wn

[5] #5 manifold v. [multiply] combine or increase by multiplication; "He managed to multiply his profits". wn