Definition of "buyo" []

• In the Philippine Islands the leaves of the betel-pepper (Piper Betle), which, together with the nuts of the betel-palm (Areca Cathècu) and a pinch of slaked lime, are used by the natives as a masticatory. Also called itmo. See betel and bonga. (noun)

The Century Dictionary (Public Domain)

• "There is a plant with leaves after the shape and fashion of the ivy, which is a certain species of pepper which they call buyo, the use of which is common throughout the whole archipelago; and it is so excellent a specific against ulcerated teeth that I do not remember ever having heard it said that any native suffered from them, nor do they need to have them pulled."
• "Advisers, wives, slaves, and boys with buyo-boxes followed his majesty, who was arrayed in a red silk sarong, grotesquely embroidered with glass beads, colored stones, and real pearls."
• "Before Piang realized it, Sicto was negotiating with the owner, offering in trade his brass buyo, or betel-box, used for containing a preparation of the betel pepper, extensively chewed in the East."