Matrix (TV series)
WordNet
noun
(1) Mold used in the production of phonograph records, type, or other relief surface
(2) The formative tissue at the base of a nail
(3) The body substance in which tissue cells are embedded
(4) A rectangular array of elements (or entries) set out by rows and columns
(5) An enclosure within which something originates or develops (from the Latin for womb)