otak 1comm. large single-edged knife tool, used in agricultural tasks, splitting wood, etc.; bolo An inalam nan otak? Did you bring along the bolo? Matadom nan otak mu. Your bolo is sharp. Sim: hinalung, kulukul, uwa. (sem. domains: 6.2.8 - Agricultural tool.) 2intrans. to bring along a bolo. Nun-inotak an e nanibo nah natalak an nuwang. They brought along thier bolos to look for the lost carabao. muN‑ iN‑/nuN‑ iN‑. id. kay hubil di nuwang di otak id. Maid di hilbin di adi tumadom an otak.