Obs. exc. dial. [Of unknown origin: cf. QUARL v.] intr. To curdle, coagulate.

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1578.  Lyte, Dodoens, II. lxxiv. 246. It [Mynte] … keepeth the mylke from quarring, and crudding in the brest.

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1591.  Percivall, Sp. Dict., Engrumecer, to clot, to quar like cold blood.

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  Quar, obs. north. f. WHERE and were (see BE v.).

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