the space left between the margin and the start of an indented line

the act of cutting into an edge with toothlike notches or angular incisions

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

A recess or sharp depression in any surface.

The measure of the distance; as, an indentation of one em, or of two ems.

The act of indenting, or state of being indented.

A small hollow or depression, as from a blow; a binding out to service; a dent or dint; a space left in a margin.

Act of indenting or notching: notch: recess.

Act of notching; north.

The act of indenting.

A cut or notch.

A notching; a notch in a margin; a recess or depression in any border.

A notch or jag; a cut or depression in any margin or border.

Columns of irregular but approximately equal line lengths, regular blocks of printing regularly spaced and separated as stanzas, indentation of every second or every third line- these at once announce that the page contains verse. – The Principles of English Versification by Paull Franklin Baum

When fifteen miles from El Tovar, the first gaze into the Canyon is afforded at Hotouta Amphitheatre, a deep indentation in the walls of the south rim. – The-Grand-Canyon-of-Arizona-how-to-see-it by James, George Wharton

If the reader will take the trouble to scan the revised chart of the Island, he will notice on the eastern coast an indentation entitled " Panjoo," which, in the language of the blacks, seems to indicate " nice place." – The Confessions of a Beachcomber by E J Banfield

Might not that have been the indentation made by the radio plane? – The Radio Boys with the Revenue Guards by Gerald Breckenridge

The result was a slight indentation upon the log and a sharp jar from the axe handle that ran up his arm unpleasantly. – Corporal Cameron by Ralph Connor

Instead of a long unbroken ridge our attack fell upon an isolated mound lying in the centre of a decided indentation on the main ridge. – The Fifth Battalion Highland Light Infantry in the War 1914-1918 by F.L. Morrison

It takes the form of a split of the articular surface caused by impact against the edge of the acetabulum, and is analogous to the indentation fracture of the head of the humerus, which may accompany dislocation of the shoulder. – Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition. by Alexander Miles Alexis Thomson

On the first sunny day he took an exact survey of our apartment from ceiling to floor, humming about, examining every point with his bill- all the crevices, mouldings, each little indentation in the bed- posts, each window- pane, each chair and stand; and, as it was a very simply furnished seaside apartment, his scrutiny was soon finished. – Queer-Little-Folks by Stowe, Harriet Beecher