1. Noun.  A key that when pressed switches between the overtype mode and the insert mode of a computer.
  2. Verb.  (transitive) To put in between or into.
  3. Noun.  An image inserted into text.
  4. Noun.  A promotional leaflet inserted into a magazine or newspaper.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.