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ar·cu·ate(är′kyo͞o-ĭt, -āt′) also ar·cu·at·ed (-ā′tĭd)
Having the form of a bow; curved.
[Latin arcuātus, past participle of arcuāre, to bend like a bow, from arcus, bow.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.