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The Collaborative International Dictionary
Arcuated

Arcuate \Arc"u*ate\, Arcuated \Arc"u*a`ted\(#), a. [L. arcuatus, p. p. of arcuare to shape like a bow, fr. arcus. See Arc.] Bent or curved in the form of a bow. ``Arcuate stalks.''
--Gray.

Wiktionary
arcuated

a. (alternative form of arcuate English)