ˈoʊk ˈæpəl ɔːɹ ˈoʊk ɡˈɔːl ɪz ðə kˈɑːmən nˈeɪm fɚɹə lˈɑːɹdʒ, ɹˈaʊnd, vˈeɪɡli ˈæpəllˈaɪk ɡˈɔːl kˈɑːmənli fˈaʊnd ˌɔn mˈɛni spˈiːsiːz ʌv ˈoʊk.
Oak apple or oak gall is the common name for a large, round, vaguely apple-like gall commonly found on many species of oak.