fungi /ˈfʌnd͡ʒaɪ/noun 1/ˈfuːnd͡ʒi/ noun 1 noun1 •Spongy, abnormal growth, as granulation tissue formed in a wound. fungi /ˈfuːnd͡ʒi/ noun1 •A style of folk and popular music from the Virgin Islands, traditionally performed by bands consisting of banjo, guitar, ukulele, and washboard with various percussion instruments on rhythm.