v. Obs. rare. [UN-2 3 + YARK v. b.] trans. To undo or open (a gate).

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a. 1400–50.  Alexander, 2147. Þai vnȝarked him þe ȝatis & ȝald him þe keys. Ibid., 3209. Þan ȝode þai furthe & vnȝarkid þe ȝatis of þe cite.

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