, es; in. A brook which forms a boundary, cf. mearc-bróc :-- Tó mǽrbróce; of mǽrbróce, Cod. Dip. Kmbl. iii. 79, 5: 438, 27: v. 284, 29 (where mér-bróc is the same as merc-bróc of l. 13). v. mereand mǽre a boundary.
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