What is the meaning of Pigeonhole?

One of an array of open compartments for housing pigeons in a dovecote or pigeon loft.

A hole or opening in a door or wall for a pigeon to pass through.

  1. One of an array of open compartments in a desk, set of shelves, etc., used for sorting and/or storing letters, papers, or other items.

    One of an array of open compartments in a desk, set of shelves, etc., used for sorting and/or storing letters, papers, or other items.

    One of an array of open compartments for receiving mail and other messages at a college, office, etc.

    A compartment or cubicle in a room or other place, especially one which is (excessively) small.

    A small opening for looking or passing things through.

    1. An opening in a ship for passing equipment such as an oar or rigging through.

    An opening in a ship for passing equipment such as an oar or rigging through.

    A form of stocks with openings for restraining a person's hands or feet; also, one of the openings in the device.

    A seat in the top row of the gallery of a theatre.

    1. A notional category or class into which someone or something is placed.

      A notional category or class into which someone or something is placed.

      A space between two words that is too wide.

      To construct pigeonholes (noun sense 1 or sense 3.1) in (a place); also, to subdivide (a place) into pigeonholes.

      To put (letters, papers, or other items) into pigeonholes or small compartments; also, to arrange or sort (items) by putting into pigeonholes.

      1. To arrange (items) for future reference or use.
      2. To put aside (advice, a proposal, or other matter) for future consideration instead of acting on it immediately; to shelve.

        To arrange (items) for future reference or use.

        To put aside (advice, a proposal, or other matter) for future consideration instead of acting on it immediately; to shelve.

        To place (someone or something) into a notional category or class, especially in a way which makes unjustified assumptions or which is restrictive; to categorize, to classify, to label.

        Source: wiktionary.org