To form an arch over: Grape vines overarched the garden path. (verb-transitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "overarch" in a sentence
"Old chestnut trees overarch it from the terraces, and its floor, thick with their dried, toasty leaves, is littered with the hedgehog shells of chestnuts."
"To overarch a territory filled with warring religious wackos who have for"
"It points to truths that overarch all our narrow perspectives."