Spencer Spass • Spike · · · Info · Definitions · Characters · · Spencer · · Text Latin · · Script 7 · · Length Definitions · · · (noun) English philosopher and sociologist who applied the theory of natural selection to human societies (1820-1903). Synonyms: Herbert Spencer. · · Noun Definition 1 Characters · · S latin capital letter s U+0053 c latin small letter c U+0063 e latin small letter e U+0065 n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072