ficus Syllabification: (fi·cus)Pronunciation: /ˈfīkəs/Definition of ficus noun (plural same) a tree, shrub, or climbing plant of a large genus that includes the figs and the rubber plant. They grow in tropical and warm climates, and several species are of commercial importance. Genus Ficus, family Moraceae Origin: mid 19th century: from Latin, 'fig, fig tree'ficus in other Oxford dictionaries Definition of ficus in the British & World English dictionary