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Phrase(s): arch (oneself) over
to bend or curve over. (Oneself includes itself.) • The tree arched over in the wind. • Arch yourself over gracefully and then straighten up. • The tree arched itself over in the windstorm., Phrase(s): arch over someone or something
to bend or curve over someone or something; to stand or remain bent or curved over someone or something. • The trees arched gracefully over the walkway. • A lovely bower of roses arched over the bride.
McGrawhill's American Idioms And Phrasal Verbs