buyun verb English. Experiences an enlarged thyroid gland, goiter. Generic. ladu noun English. The pouch at the base of a fowl's neck where food is stored and digested, craw; crop Example sentence: Subanen. Su manuku sebuday mu, pu' nda'i buyunen, kamun pa nda' meka'aan. English. Feed my chicken, because his crop is empty (lit. has no crop), earlier it had not yet eaten.