[1] : The Collaborative International Dictionary of English v.0.48

dado \da"do\, n.; pl. dadoes. it. dado die, cube, pedestal;
   of the same origin as e. die, n. see die, n. arch.
   a that part of a pedestal included between the base and the
       cornice or surbase; the die. see illust. of column.
       hence:
   b in any wall, that part of the basement included between
       the base and the base course. see base course, under
       base.
   c in interior decoration, the lower part of the wall of an
       apartment when adorned with moldings, or otherwise
       specially decorated. daedal
see also:
dadoes die column base course base 

[2] : WordNet (r) 2.0

dado
     n 1: panel forming the lower part of an interior wall when it is
          finished differently from the rest syn: wainscot
     2: the section of a pedestal between the base and the surbase
     3: a rectangular groove cut into a board so that another piece
        can fit into it
     v 1: provide with a dado; "the owners wanted to dado their dining
          room"
     2: cut a dado into or fit into a dado
     also: dadoes pl
see also:
wainscot dadoes 

[3] : Moby Thesaurus II by Grady Ward, 1.0

99 moby thesaurus words for "dado":
   baluster, balustrade, banister, base, baseboard, basement, bezel,
   canal, canalize, carve, caryatid, chamfer, channel, chase, chassis,
   chink, chisel, colonnade, column, corrugate, corrugation, crack,
   cranny, crimp, cut, die, dike, ditch, engrave, engraving, flute,
   fluting, foot, footing, footstalk, foundation, frame, furrow, gash,
   goffer, gouge, groove, gully, incise, incision, jack, keel,
   microgroove, mopboard, nadir, newel-post, pedestal, pedicel,
   peduncle, pier, pilaster, pile, piling, pillar, pleat, plinth,
   plow, pole, post, queen-post, rabbet, rifle, rifling, ruck, rut,
   score, scratch, shaft, shoemold, slit, socle, sole, staff, stalk,
   stanchion, stand, standard, stem, streak, stria, striate,
   striation, subbase, sulcation, sulcus, surbase, toe, trench,
   trough, trunk, upright, wainscot, well-worn groove, wrinkle

Dado >> D Words
Dado, definition of term: Dado
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