The spelling of the word "bibb cock" might be a bit puzzling due to its phonetic characteristics. In IPA, it is pronounced /bɪb kɒk/ where the first "b" is pronounced softly as the sound of a gentle exhalation, and the "c" of "cock" is pronounced as a hard "k" sound. The word refers to a valve used in plumbing systems, and despite its strange spelling, the pronunciation is quite straightforward, so don't let it throw you off if you come across it in your work or studies.