"Frostcleft" is a compound word that combines "frost" and "cleft". The spelling of this word follows the English language's phonetic systems. The IPA transcription for "frost" is /frɒst/ while "cleft" is /klɛft/. Hence, when combined, the spelling of the word becomes "frostcleft". The pronunciation for the word can be transcribed as /frɒstkleft/. The word "frostcleft" refers to a cleft in a rock formation that has been formed due to frost weathering.