[noun] a pipe that has several lateral outlets to or from other pipes
[noun] a lightweight paper used with carbon paper to make multiple copies; "an original and two manifolds" Synonyms: paper
[noun] a set of points such as those of a closed surface or and analogue in three or more dimensions
[verb] make multiple copies of; "multiply a letter"
[verb] combine or increase by multiplication; "He managed to multiply his profits" Synonyms: multiply
[adjective] many and varied; having many features or forms; "manifold reasons"; "our manifold failings"; "manifold intelligence"; "the multiplex opportunities in high technology" Synonyms: multiplex
