Definition ;Outer space (noun) Region outside explored space. A slightly lighter black color Etymology ; Outer space (noun) From english outer and space. Quotations ;Outer space (noun) 1842 - Emmeline Stuart-Wortley, The Maiden of Moscow (1842). The World--that rocks--and heaves--and beams!-- A Stormy Sun, itself it gleams!-- Keeps this, indeed, its place of old?-- All seems down steep Destruction rolled! All Earth in madness moved,--o'erthrown, To outer space--driven--racked--undone! 1849 - Thomas Buchanan Read, Lays and ballads (1849). DEATH. What they who find me make me---Shall we go? OLD MAN. Whither? DEATH. Upward---and onward, into outer space, Where she, thy kindred spirit, waiteth thee. Translations Catalan: espai exterior German: Weltraum Hebrew: החלל החיצון Spanish: espacio exterior