Baretti: A dictionary of the English and Italian languages
Colónn-a, s. f. dim. Colónn-élla, Colónn-éllo, Colónn-étta, Colónn-étto, Colónn-ína,Colónn-íno ,
1. a column, pillar. Le colonne d'Ercole,the pillars of Hercules. Le colonne d'un letto,the bed posts. — di punto fermo, the newel or spindle of a winding staircase; 2. aid, prop, stay, support; 3. column, division of a printed page; 4. the vertebral column; 5. column of soldiers.
Florio: a worlde of wordes, or most copious, dictionarie in Italian and English
colonna: any columne, or piller. Also a kind of pipe or flute. Also by metaphore, any stay, prop, vpholding or thing to rest vpon.