ronko noun1 •A traditional loose-fitting knee-length garment worn by chiefs, blacksmiths, warriors, and secret society officials in certain tribes of Sierra Leone, particularly the Limba, Koranko, and Yalunka, and said to protect against both natural and supernatural weapons when worn in battle.Many campaign posters showed candidates wearing "ronkos," or rust-colored cotton vests bathed in special herbs to guard them against invisible bullets. — 1986 formsronkos