denotation
    n 1: the act of indicating or pointing out by name [syn:
         indication, denotation]
    2: the most direct or specific meaning of a word or expression;
       the class of objects that an expression refers to; "the
       extension of `satellite of Mars' is the set containing only
       Demos and Phobos" [syn: reference, denotation,
       extension]

Denotation \De`no*ta"tion\, n. [L. denotatio: cf. F.
   d['e]notation.]
   The marking off or separation of anything. --Hammond.
   [1913 Webster]