pili I. pili plural of pilus II. pi·li\pēˈlē\noun orpili nut (-s) Etymology: Tagalog pilì 1.: the nut of any of various trees of the genus Canarium; especially: the edible nut of a Philippine tree (Canarium ovatum) 2.: java almond III. pi·li\ˈpēlē\noun orpili grass (-s) Etymology: Hawaiian, literally, to adhere, cling Hawaii: tanglehead