The spelling of the word "gat top" can be explained using the International Phonetic Alphabet (IPA). "Gat" is pronounced as /ɡæt/, where the "ɡ" represents the voiced velar plosive sound, "æ" represents the vowel in "cat", and "t" represents the voiceless alveolar plosive. "Top" is pronounced as /tɒp/, where "t" represents the voiceless alveolar plosive, "ɒ" represents the vowel in "lot", and "p" represents the voiceless bilabial plosive. Together, "gat top" is a two-word phrase that is commonly used in the Caribbean to refer to a small hill or mound.