The spelling of the word "Cauf" may seem unusual to some, but it is actually a valid alternative spelling of the word "calf." In IPA phonetic transcription, "calf" is pronounced as /kæf/, with the "a" sound as in "cat." The alternative spelling "cauf" reflects a dialectical pronunciation of the word, where the "a" sound is pronounced as /ɔ/, as in "coffee" or "thought." While it may not be commonly seen in standard English, such alternate spellings and pronunciations showcase the rich diversity of language.
A chest for holding live fish; the box or cage for raising coal from the mine.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.