Column (data store)
WordNet
noun
(1) (architeture) a tall cylindrical vertical upright and used to support a structure
(2) A vertical cylindrical structure standing alone and not supporting anything (such as a monument)
(3) 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
(4) An article giving opinions or perspectives
(5) A line of (usually military) units following one after another
(6) A linear array of numbers one above another
(7) Anything tall and relatively thin that approximates 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"