co·lum·nar

[kuh-luhm-ner]
adjective
1.
shaped like a column.
2.
characterized by columns: columnar architecture.
3.
Also, co·lum·nal. printed, arranged, etc., in columns: data in columnar form.

Origin:
1720–30; < Late Latin columnāris, equivalent to column(a) column + -āris -ar1

col·um·nar·i·ty [kol-uhm-nar-i-tee] , noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To columnar
00:10
Columnar is always a great word to know.
So is quincunx. Does it mean:
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a stew of meat, vegetables, potatoes, etc.
Collins
World English Dictionary
column (ˈkɒləm) [Click for IPA pronunciation guide]
 
n
1.  an upright post or pillar usually having a cylindrical shaft, a base, and a capital
2.  a.  a form or structure in the shape of a column: a column of air
 b.  a monument
3.  a row, line, or file, as of people in a queue
4.  military a narrow formation in which individuals or units follow one behind the other
5.  journalism
 a.  any of two or more vertical sections of type on a printed page, esp on a newspaper page
 b.  a regular article or feature in a paper: the fashion column
6.  a vertical array of numbers or mathematical terms
7.  botany a long structure in a flower, such as that of an orchid, consisting of the united stamens and style
8.  anatomy, zoology any elongated structure, such as a tract of grey matter in the spinal cord or the stalk of a crinoid
 
[C15: from Latin columna, from columen top, peak; related to Latin collis hill]
 
columnar
 
adj
 
'columned
 
adj
 
columnated
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

columnar
1728, from L.L. columnaris, from columna "column" (see column).
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
The library is a long room, with apsidal ends set off behind columnar screens.
The mucous lining of the lacrimal sac and nasolacrimal duct is covered with columnar epithelium, which in places is ciliated.
Foam, plastic cups, or cardboard boxes will also protect the tender tips of columnar cactus if you're not a knitter.
There are two types of cells on the cervix's surface: squamous and columnar.
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