indention

But a wrong letter, a space in the wrong place, a wrong indention, a wrong punctuation mark, was an error that cost a ten "word" penalty against the total score.

From Time Magazine Archive

When quotation marks occur at the beginning of a line of poetry, they should go back into the indention space.

From Punctuation A Primer of Information about the Marks of Punctuation and their Use Both Grammatically and Typographically by Frederick W. (Frederick William) Hamilton

Write verse as verse; do not give it equal indention or length of line with prose.

From The Century Handbook of Writing by Garland Greever

"See, Walter," he exclaimed pointing to a square indention in the soft soil.

From The Romance of Elaine Sequel to "Exploits of Elaine" by Arthur B. (Arthur Benjamin) Reeve

There was a little indention here—a tiny cove.

From Ruth Fielding on the St. Lawrence The Queer Old Man of the Thousand Islands by Alice B. Emerson