Home › Words › E › extradosextradosextrados means the outer or upper curve of an arch.EtymologyFrom French extradossé (“outer curve”) from Latin extra (“outside”) + dos (“back”) (from Latin dorsum).nounThe outer or upper curve of an arch.e.g.“The two lower rows of tubes at each end pier were then drilled through to the extrados of the brickwork to act as weep holes and assist in the drainage from the backs of the arches.” — 1954 January, “Strengthening of Coquet Viaduct”, in Railway Magazine, page 19:Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.intrados 74% match — The inner curve of an arch or vault. vs extrados →extradosed 72% match — Having an extrados. vs extrados →interarch 59% match — Between arches. vs extrados →arched 59% match — Curved. vs extrados →arching 58% match — Hogging, as opposed to sagging. vs extrados →extrorse 57% match — Of anthers: dehiscing outwards from the center of the flower. vs extrados →arquated 57% match — shaped like a bow (curve); arched; curved. vs extrados →extrorsal 57% match — Synonym of extrorse. vs extrados →