separate with or as if with an instrument

mark with a scar

suitable for cutting or piercing

the cutting of or into body tissues or organs (especially by a surgeon as part of an operation)

a depression scratched or carved into a surface

(anatomy) a notch or small hollow

cut or make a notch into

cut the surface of; wear away the surface of

make a groove in, or provide with a groove

cut a slit into

lacerate by biting