poculiform UK /ˈpɒkjʊlɪfɔːm/US /ˈpɑkjəlɪfɔɹm/adjective 1noun 1forms 3 adjective1 •Having the shape of a goblet or drinking cup.Poculiform (poculiforme) cylindrically cup-shaped, with the base hemispherical, and but slightly, or not at all, spreading or recurved at the mouth. — 1809 noun1 •A variety of snowdrop with petals of the same length. formspoculiforms · more poculiform · most poculiform