sidecolumn
nounUK /ˈsaɪdˌkɒləm/
US /ˈsaɪdˌkɑːləm/
A sidecolumn is a tall, thin part on the side of a building or page.
The newspaper story was printed in the sidecolumn next to the main article.
OTHER MEANINGS
2. A vertical strip of text or images placed beside the main content of a page.
She added a sidecolumn with links to other pages.
3. A supporting pillar set along the side of a structure.
The old temple had a sidecolumn holding up the roof.
4. A narrow vertical section in a table or chart placed at the edge.
The totals appear in the sidecolumn of the spreadsheet.