\In`den*ta"tion\, n.
1. The act of indenting or state of being indented.

2. A notch or recess, in the margin or border of anything;
   as, the indentations of a leaf, of the coast, etc.

3. A recess or sharp depression in any surface.

4. (Print.)
   (a) The act of beginning a line or series of lines at a
       little distance within the flush line of the column or
       page, as in the common way of beginning the first line
       of a paragraph.
   (b) The measure of the distance; as, an indentation of one
       em, or of two ems.

{Hanging}, or {Reverse}, {indentation}, indentation of all
   the lines of a paragraph except the first, which is a full
   line.