Is “Columns” a Scrabble word?
Yes
COLUMNS
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Columns
/ˈkɒləmz/
noun
1.A solid upright structure designed usually to support a larger structure above it, such as a roof or horizontal beam, but sometimes for decoration.
2.A vertical line of entries in a table, usually read from top to bottom.
3.A body of troops or army vehicles, usually strung out along a road.
Synonyms: pillar, post, sile