nouns
a correction made by erasing
"there were many erasures in the typescript"
is a type of (narrower)
something substituted for an error
a surface area where something has been erased
"another word had been written over the erasure"
is a type of (narrower)
the extent of a 2-dimensional surface enclosed within a boundary
"the area of a rectangle"; "it was about 500 square feet in area"
deletion by an act of expunging or erasing