[noun] a line of (usually military) units following one after another
[noun] a vertical glass tube used in column chromatography; a mixture is poured in the top and washed through a stationary substance where components of the mixture are adsorbed selectively to form colored bands Synonyms:chromatography
[noun] a linear array of numbers one above another
[noun] anything tall and thin approximating the shape of a column or tower; "the test tube held a column of white powder"; "a tower of dust rose above the horizon"; "a thin pillar of smoke betrayed their campsite" Synonyms:tower, pillar
[noun] an article giving opinions or perspectives Synonyms:editorial, newspaper
[noun] a vertical structure standing alone and not supporting anything (as a monument or a column of air) Synonyms:pillar
[noun] (architeture) a tall cylindrical vertical upright and used to support a structure Synonyms:pillar