Source : Webster's Revised Unabridged Dictionary (1913)

Tubular \Tu"bu*lar\, a. [L. tubulus, dim. of tubus a tube, or
   pipe. See {Tube}.]
   Having the form of a tube, or pipe; consisting of a pipe;
   fistular; as, a tubular snout; a tubular calyx. Also,
   containing, or provided with, tubes.

   {Tubular boiler}. See under {Boiler}.

   {Tubular breathing} (Med.), a variety of respiratory sound,
      heard on auscultation over the lungs in certain cases of
      disease, resembling that produced by the air passing
      through the trachea.

   {Tubular bridge}, a bridge in the form of a hollow trunk or
      tube, made of iron plates riveted together, as the
      Victoria bridge over the St. Lawrence, at Montreal,
      Canada, and the Britannia bridge over the Menai Straits.
      

   {Tubular girder}, a plate girder having two or more vertical
      webs with a space between them.