beamless

Not having a beam.

Adjective

  1. Not having a beam.
    • […] a trend of beamless construction that became a norm of Islamic buildings. - 2017, Yijiu Jin, Islam, page 7:
  2. Not emitting light.
    • Then up a steep and dark and narrow stair We wound, until the torches’ fiery tongue Amid the gushing day beamless and pallid hung. - 1817 December, Percy Bysshe Shelley, “The Revolt of Islam. […]”, in [Mary] Shelley,...

Origin

From beam + -less.