WordReference Random House Learner's Dictionary of American English © 2017
col•umn /ˈkɑləm/USA pronunciation   n. [countable]
  1. Architecturea tall, straight, slender upright support; a pillar used for support or standing alone as a monument:The old post office building had several marble columns in front.
  2. any object, mass, or formation shaped like this: a column of smoke.
  3. a vertical row or list: Add this column of figures.
  4. a vertical arrangement of print on a page of a book, etc.:There are two columns on this page.
  5. Journalisman article that is a regular feature of a newspaper or magazine:a column on political affairs.
  6. Militarya long, narrow file of troops, ships, marchers, etc.:columns of tanks.
col•umned, col•um•nat•ed /ˈkɑləmˌneɪtɪd/USA pronunciation  adj. 

WordReference Random House Unabridged Dictionary of American English © 2017
col•umn  (koləm),USA pronunciation n. 
  1. Architecture
    • a rigid, relatively slender, upright support, composed of relatively few pieces.
    • a decorative pillar, most often composed of stone and typically having a cylindrical or polygonal shaft with a capital and usually a base.
  2. any columnlike object, mass, or formation:a column of smoke.
  3. a vertical row or list:Add this column of figures.
  4. a vertical arrangement on a page of horizontal lines of type, usually typographically justified:There are three columns on this page.
  5. Journalisma regular feature or series of articles in a newspaper, magazine, or the like, usually having a readily identifiable heading and the byline of the writer or editor, that reports or comments upon a particular field of interest, as politics, theater, or etiquette, or which may contain letters from readers, answers to readers' queries, etc.
  6. Militarya long, narrow formation of troops in which there are more members in line in the direction of movement than at right angles to the direction (distinguished from line).
  7. Militarya formation of ships in single file.
  8. Botanya columnlike structure in an orchid flower, composed of the united stamens and style.
  • Latin, as above
  • Anglo-French
  • Latin columna, equivalent. to colum(e)n peak + -a feminine ending; akin to excel; replacing late Middle English colompne
  • 1400–50; late Middle English columne
columned  (koləmd),USA pronunciation  col•um•nat•ed  (koləm nā′tid),USA pronunciation adj. 
    • 1.See corresponding entry in Unabridged Column, pillar refer to upright supports in architectural structures.
      Pillar is the general word:the pillars supporting the roof.A
      column is a particular kind of pillar, esp. one with an identifiable shaft, base, and capital:columns of the Corinthian order.

Collins Concise English Dictionary © HarperCollins Publishers::

column /ˈkɒləm/ n
  1. an upright post or pillar usually having a cylindrical shaft, a base, and a capital
  2. a form or structure in the shape of a column: a column of air
  3. a monument
  4. a row, line, or file, as of people in a queue
  5. a narrow formation in which individuals or units follow one behind the other
  6. any of two or more vertical sections of type on a printed page, esp on a newspaper page
  7. a regular article or feature in a paper: the fashion column
  8. a vertical array of numbers or mathematical terms
Etymology: 15th Century: from Latin columna, from columen top, peak; related to Latin collis hill

columnar /kəˈlʌmnə/ adj ˈcolumned adj

'column' also found in these entries:

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