maloid adjective 1noun 1forms 1 adjective1 •Relating to the Maloideae subfamily.Other maloid genera with hard nutlets are Cotoneaster, Hesperomeles, Osteomeles, and Pyracantba, but each of these is quite different from Mespilus and Crataegus. — 2003 noun1 •A species in the Maloideae subfamily, which includes apples and pears. formsmaloids