pˈɑːndᵻd wˈɔːɾɚ: sˈɜːfɪs wˈɔːɾɚ ðæt kəlˈɛkts ænd pˈɑːndz ɪn ɐ kˈeɪv bᵻfˌoːɹ fɹˈiːzɪŋ wɪl fˈɔːɹm ɐ klˈɪɹ ˈaɪs mˈæs, ænd kæn biː tˈɛnz ʌv mˈiːɾɚz θˈɪk ænd ʌv ɡɹˈeɪt ˈeɪdʒ.
Ponded water: Surface water that collects and ponds in a cave before freezing will form a clear ice mass, and can be tens of metres thick and of great age.