The Collaborative International Dictionary of English v.0.48:
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.