Pi"geon*hole` (?), n. A small compartment in a desk or case for the keeping of letters, documents, etc.; -- so called from the resemblance of a row of them to the compartments in a dovecote. Burke.

Pi"geon*hole`, v. t. To place in the pigeonhole of a case or cabinet; hence, to put away; to lay aside indefinitely; as, to pigeonhole a letter or a report.

• One of a series of compartments for sorting post, messages etc. at an office, or college (for example).
       Fred was disappointed at the lack of post in his pigeonhole.
  
• A hole, or roosting place for pigeons.
  
• To categorize; especially to limit or be limited to a particular category, role, etc.
       Fred was tired of being pigeonholed as a computer geek.