sub·division \“+\noun Etymology: Late Latin subdivision-, subdivisio, from subdivisus (past participle of subdividere to subdivide) + Latin -ion-, -io -ion 1. a.: the act or process of subdividing b.: an instance or example of subdividing 2.: something produced by subdividing: as a.: a part made by subdividing < a subdivision of a taxonomic division > b.: a tract of land surveyed and divided into lots for purposes of sale — compare development • sub·divisional\“+\adjective