Source : Webster's Revised Unabridged Dictionary (1913)

Throughout \Through*out"\, prep.
   Quite through; from one extremity to the other of; also,
   every part of; as, to search throughout the house.

         Nor to their idle orbs doth sight appear Of sun, or
         moon, or star, throughout the year.      --Milton.

Throughout \Through*out"\, adv.
   In every part; as, the cloth was of a piece throughout.

Source : WordNet®

throughout
     adv 1: from first to last; "the play was excellent end-to-end"
            [syn: {end-to-end}]
     2: used to refer to cited works [syn: {passim}]