manifold

Concise Oxford English Dictionary © 2008 Oxford University Press:
manifold /ˈmanɪfəʊld/

▶adjective formal or literary

• 1 many and various.

• 2 having many different forms.

▶noun

• 1 a pipe or chamber branching into several openings.

• 2 (in an internal-combustion engine) the part conveying air and fuel from the carburettor to the cylinders or that leading from the cylinders to the exhaust pipe.

– derivatives
manifoldly adverb,
manifoldness noun.

– origin OE manigfeald.