The spelling of the word "ICERS" is pronounced as /aɪsəz/. It is derived from the base form "ice", followed by the plural suffix "-s". The sound represented by the letter "c" is a voiceless velar stop /k/, which is followed by the sound represented by the letter "e", pronounced as a schwa /ə/. The final sound is a voiced alveolar fricative /z/, represented by the letter "s". Therefore, "ICERS" refers to multiple pieces of frozen water, typically used to keep drinks and food cold.