Source : Webster's Revised Unabridged Dictionary (1913)

Genitive \Gen"i*tive\, a. [L. genitivus, fr. gignere, genitum,
   to beget: cf. F. g['e]nitif. See {Gender}.] (Gram.)
   Of or pertaining to that case (as the second case of Latin
   and Greek nouns) which expresses source or possession. It
   corresponds to the possessive case in English.

Genitive \Gen"i*tive\, n. (Gram.)
   The genitive case.

   {Genitive absolute}, a construction in Greek similar to the
      ablative absolute in Latin. See {Ablative absolute}.

Source : WordNet®

genitive
     adj : serving to express or indicate possession; "possessive
           pronouns"; "the genitive endings" [syn: {possessive}]

genitive
     n : the case expressing ownership [syn: {genitive case}, {possessive
         case}]