igus verb English. Planes rattan palm, bamboo, palm frond ribs, etc. with a knife to trim to appropriate thickness for use. Example sentence: Subanen. Igusay mau pa guay, pengegbedu lekawu. English. Trim me some rattan to tie my fieldhouse together with. Example sentence: Subanen. Sanu nawi na mi'igusan mu, midepet na sengibu? English. How many strips of rattan have you stripped; is it a thousand yet?