[ oh-ver-ahrch ]
/ ˌoʊ vərˈɑrtʃ /

verb (used with object)

to span with or like an arch: A new bridge overarches the river.

verb (used without object)

to form an arch over something: a cerulean sky overarching in the early twilight.

Origin of overarch

First recorded in 1660–70; over- + arch1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for overarch

  • How abstract would be anything common to all times and places, how terrible a mocking truth that should overarch them for ever!

    Soliloquies in England|George Santayana
  • The scene from which he looked down,—was it the mere upper chamber of Juda, or did it overarch the human world?

    Studies of Christianity|James Martineau
  • Wonderful, too, are the Palms that overarch the driveway, and beautiful the gardens and panorama beyond.

  • "To thee—and to thy seed:" these words span the gulf of two thousand years, and overarch the Mosaic dispensation.

British Dictionary definitions for overarch

/ (ˌəʊvərˈɑːtʃ) /


(tr) to form an arch over
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012