indent

To make a dent or depression in, as by a blow or by pressure; dent or dint.

To dent or press in; form as a dent or depression.

A requisition for military stores.

To make notches in resembling teeth; cut into points or jags like a row of teeth; notch; jag; serrate.

Specifically Formerly, to notch the edges of (two copies of a writing, as a deed, covenant, articles of agreement, etc., in which two parties had an interest), as a conventional means of identification and security.