1.
a concave cut into a surface or edge (as in a coastline)
2.
the formation of small pits in a surface as a consequence of corrosion
3.
the space left between the margin and the start of an indented line
4.
the act of cutting into an edge with toothlike notches or angular incisions
On April 4, 1974, John Massis of Belgium pulled two New York Long Island railroad passenger cars totaling 80 tons with a thick rope, with a small bit attached, using only his teeth.
