melliferous UK /mɪˈlɪfəɹəs/US /məˈlɪfəɹəs/ adjective3 •Of a plant or its parts: bearing any substance (such as nectar or pollen) which is collected by bees to produce honey.Pliny [the Elder] says this flovver [the anemone] […] differs also from ranunclulus in not having a melliferous pore on the clavv of each petal. — 1789 •Producing honey. •(figurative) Honeyed, sweet.VVhat melliferous sounds are these I hear, / Svviftly floating thro' the ambient air? / It is the note of pure seraphic fire, / Svveetly hailing our much honour'd Sire. — 1793 formsmore melliferous · most melliferous