gumleaf noun1 •The leaf of a eucalyptus (gum tree), which is sometimes used as a musical leaf.Accipiter cirrocephalus, Collared Sparrowhawk […] In one tree of a belt of Pinus insignis, [a nest] constructed of sticks with gumleaves and pine-needles, lined with fresh gumleaves. — 1927 formsgumleaves
