notching
 刻痕


 Notch, v. t. [imp. & p. p. Notched p. pr. & vb. n. Notching.]
 1. To cut or make notches in; to indent; also, to score by notches; as, to notch a stick.
 2. To fit the notch of (an arrow) to the string.
 God is all sufferance; here he doth show
 No arrow notched, only a stringless bow.   --Herrick.

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 Notch·ing, n.
 1. The act of making notches; the act of cutting into small hollows.
 2. The small hollow, or hollows, cut; a notch or notches.
 3. Carp. A method of joining timbers, scantling, etc., by notching them, as at the ends, and overlapping or interlocking the notched portions.
 4. Engin. A method of excavating, as in a bank, by a series of cuttings side by side. See also Gulleting.

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