Hypertext Webster Gateway: "Scotching"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Scotch \Scotch\, v. t. [imp. & p. p. {Scotched}; p. pr. & vb. n.
{Scotching}.] [Cf. Prov. E. scote a prop, and Walloon ascot a
prop, ascoter to prop, F. accoter, also Armor. skoaz the
shoulder, skoazia to shoulder up, to prop, to support, W.
ysgwydd a shoulder, ysgwyddo to shoulder. Cf. {Scoat}.]
[Written also {scoatch}, {scoat}.]
To shoulder up; to prop or block with a wedge, chock, etc.,
as a wheel, to prevent its rolling or slipping.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Scotching \Scotch"ing\, n. (Masonry)
Dressing stone with a pick or pointed instrument.
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