Noun

• S: (n) indentation, indenture (a concave cut into a surface or edge (as in a coastline))
• S: (n) pitting, roughness, indentation (the formation of small pits in a surface as a consequence of corrosion)
• S: (n) indentation, indention, indent, indenture (the space left between the margin and the start of an indented line)
• S: (n) indentation (the act of cutting into an edge with toothlike notches or angular incisions)