Source : Webster's Revised Unabridged Dictionary (1913)

Collective \Col*lect"ive\, a. [L. collectivus: cf. F.
   collectif.]
   1. Formed by gathering or collecting; gathered into a mass,
      sum, or body; congregated or aggregated; as, the
      {collective} body of a nation. --Bp. Hoadley.

   2. Deducing consequences; reasoning; inferring. [Obs.]
      ``Critical and collective reason.'' --Sir T. Browne.

   3. (Gram.) Expressing a collection or aggregate of
      individuals, by a singular form; as, a collective name or
      noun, like assembly, army, jury, etc.

   4. Tending to collect; forming a collection.

            Local is his throne . . . to fix a point, A central
            point, collective of his sons.        --Young.

   5. Having plurality of origin or authority; as, in diplomacy,
      a note signed by the representatives of several
      governments is called a collective note.

   {Collective fruit} (Bot.), that which is formed from a mass
      of flowers, as the mulberry, pineapple, and the like; --
      called also {multiple fruit}. --Gray.

Source : WordNet®

multiple fruit
     n : fruit consisting of many individual small fruits or drupes
         derived from separate ovaries within a common receptacle:
         e.g. blackberry; raspberry; pineapple [syn: {aggregate
         fruit}, {syncarp}]