Definition: [verb] start (a line of text) or position (a block of text) further from the margin than the main part of the text.
Example: type a paragraph of text and indent the first line
Definition: [verb] form deep recesses or notches in (a line or surface).
Example: a coastline indented by many fjords
Definition: [verb] make a requisition or written order for something.
Example: we were indenting for paper clips one by one in those days
Definition: [verb] divide (a document drawn up in duplicate) into its two copies with a zigzag line, thus ensuring identification and preventing forgery.