archwork

English

Etymology

From arch +‎ -work.

Noun

archwork (uncountable)

1. The composition or structure of an arch.
   • 1957 June, “Relining Dove Holes Tunnel”, in Railway Magazine, page 423:

     The cutting out and renewal of the tunnel lining involved the inner two rings of the brick archwork to a depth of about 9 in. over some 70 per cent. of the length of the tunnel.