Source : Webster's Revised Unabridged Dictionary (1913)

Subdivision \Sub`di*vi"sion\, n. [L. subdivisio: cf. F.
   subdivision.]
   1. The act of subdividing, or separating a part into smaller
      parts.

   2. A part of a thing made by subdividing.

            In the decimal table, the subdivision of the cubit,
            as span, palm, and digit, are deduced from the
            shorter cubit.                        --Arbuthnot.

Source : WordNet®

subdivision
     n 1: an area composed of subdivided lots
     2: the act of subdividing; division of something previously
        divided
     3: an administrative division of some larger or more complex
        organization; "a branch of Congress" [syn: {branch}, {arm}]
     4: a self-contained part of a larger composition (written or
        musical); "he always turns first to the business section";
        "the history of this work is discussed in the next
        section" [syn: {section}]
     5: a section of a section; a part of a part; i.e., a part of
        something already divided [syn: {subsection}]