Noun

(en noun)

(architecture) A narrow decorative column supporting a beam or lintel.

*{{quote-news, year=2007, date=November 6, author=David W. Dunlap, title=A Blossoming Cathedral Tower Sheds Its Scaffolding, work=New York Times citation

, passage=What is now revealed, in a limestone several shades blonder than the rest of the cathedral, are crisp buttresses, gables, colonettes , gargoyles, pinnacles, crockets and ornaments known as trefoils (three cusps), quatrefoils (four cusps) and cinquefoils (five cusps). }}