scotch1
v.
- decisively put an end to.
- archaic injure and render harmless.
- wedge or prevent from moving with a wedge.
n.
archaic a wedge placed under a rolling object to prevent it slipping.
Etymology
C17 (as n.): of unknown origin; perh. rel. to skate1.
scotch2
v.
cut or score the skin or surface of.
n.
a cut or score in skin or another surface.
Etymology
ME: of unknown origin.