The Collaborative International Dictionary of English v.0.48:

Dais \Da"is\ (d[=a]"[i^]s), n. [OE. deis, des, table, dais, OF.
   deis table, F. dais a canopy, L. discus a quoit, a dish (from
   the shape), LL., table, fr. Gr. ? a quoit, a dish. See
   Dish.]
   1. The high or principal table, at the end of a hall, at
      which the chief guests were seated; also, the chief seat
      at the high table. [Obs.]
      [1913 Webster]

   2. A platform slightly raised above the floor of a hall or
      large room, giving distinction to the table and seats
      placed upon it for the chief guests.
      [1913 Webster]

   3. A canopy over the seat of a person of dignity. [Obs.]
      --Shiply.
      [1913 Webster]

WordNet (r) 3.0 (2006):

dais
    n 1: a platform raised above the surrounding level to give
         prominence to the person on it [syn: dais, podium,
         pulpit, rostrum, ambo, stump, soapbox]

Moby Thesaurus II by Grady Ward, 1.0:

32 Moby Thesaurus words for "dais":
   balcony, bench, catafalque, chair, curule chair, emplacement,
   estrade, floor, gallery, heliport, helm, hustings, landing,
   landing pad, landing stage, launching pad, platform, podium,
   pulpit, rostrum, saddle, seat, seat of power, seat of state,
   soapbox, stage, step terrace, stump, terrace, tribunal, tribune,
   woolsack



V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

DAIS
       Database Access and Integration Services (GGF, WG, grid, OGSA)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

DAIS
       Distributed Application Integration System (ORB)