Dictionary Definition:
Poṇa1 (nt.) [=poṇa2?] only in cpd. danta˚ a tooth pick Vin iv.90; J iv.69; Miln 15; SnA 272. As dantapoṇaka at Dāvs i.57. -- kūṭa -- poṇa at Vism 268 read ˚goṇa.