The Collaborative International Dictionary of English v.0.48:

Tartan \Tar"tan\, n. [F. tartane, or Sp., Pg., or It. tartana;
   all perhaps of Arabic origin.] (Naut.)
   A small coasting vessel, used in the Mediterranean, having
   one mast carrying large leteen sail, and a bowsprit with
   staysail or jib.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Tartan \Tar"tan\, n. [F. tiretane linsey-woolsey, akin to Sp.
   tirita[~n]a a sort of thin silk; cf. Sp. tiritar to shiver or
   shake with cold.]
   Woolen cloth, checkered or crossbarred with narrow bands of
   various colors, much worn in the Highlands of Scotland;
   hence, any pattern of tartan; also, other material of a
   similar pattern.
   [1913 Webster]

         MacCullummore's heart will be as cold as death can make
         it, when it does not warm to the tartan. --Sir W.
                                                  Scott.
   [1913 Webster]

         The sight of the tartan inflamed the populace of London
         with hatred.                             --Macaulay.
   [1913 Webster]

WordNet (r) 3.0 (2006):

tartan
    n 1: a cloth having a crisscross design [syn: tartan, plaid]

Moby Thesaurus II by Grady Ward, 1.0:

67 Moby Thesaurus words for "tartan":
   armory, badge, badge of office, badges, baton, blazonry, brassard,
   button, cap and gown, chain, chain of office, check, checker,
   checkerboard, checkerwork, chessboard, class ring, cockade, collar,
   colors in patches, crazy-work, cross, decoration, dress, eagle,
   emblems, ensigns, fasces, figurehead, fleur-de-lis,
   hammer and sickle, harlequin, heraldry, insignia, lapel pin,
   livery, mace, mantle, markings, marquetry, medal, mortarboard,
   mosaic, old school tie, parquet, parquetry, patchwork, pin, plaid,
   regalia, ring, rose, school ring, shamrock, sigillography,
   skull and crossbones, sphragistics, staff, swastika, tessellation,
   tesserae, thistle, tie, uniform, variegated pattern, verge, wand



The Free On-line Dictionary of Computing (30 December 2018):

TARTAN

   A simple language proposed to meet the Ironman requirements.

   ["TARTAN - Language Design for the Ironman Requirements:
   Reference Manual", Mary Shaw et al, SIGPLAN Notices
   13(9):36-58 (Sep 1978)].

   (1995-01-05)


Easton's 1897 Bible Dictionary:

Tartan
   an Assyrian word, meaning "the commander-in-chief." (1.) One of
   Sennacherib's messengers to Hezekiah (2 Kings 18:17). (2.) One
   of Sargon's generals (Isa. 20:1).


Hitchcock's Bible Names Dictionary (late 1800's):

Tartan, a general (official title)