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.