NOTCH
Source: 566, 567
notch. Notch, v.t. to cut in small hollows; n. a nick
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Notch (nŏch), n. [[Akin to nock; cf. OD. nock, OSw. nocka. Cf. Nick a notch.]] 1. 1. A hollow cut in anything; a nick; an indentation.
And on the stick ten equal notches makes. Swift. 2. 2. A narrow passage between two elevations; a deep, close pass; a defile; as, the notch of a mountain.