ɐn ˈaɪs kˈeɪv ɪz ˌɛni tˈaɪp ʌv nˈætʃɚɹəl kˈeɪv mˈoʊst kˈɑːmənli lˈɑːvə tˈuːbz ɔːɹ lˈaɪmstoʊn kˈeɪvz ðæt kəntˈeɪnz sɪɡnˈɪfɪkənt ɐmˈaʊnts ʌv pəɹˈɛnɪəl jˈɪɹˈaʊnd ˈaɪs.
An ice cave is any type of natural cave (most commonly lava tubes or limestone caves) that contains significant amounts of perennial (year-round) ice.