IPA: /kɒf/
KK: /kɔf/
The internal organs and entrails of pilchards, which are a type of fish.
In some cultures, coff is considered a delicacy and is used in traditional dishes.
The word 'coff' originates from Old English 'cofa', meaning a small room or chamber. It refers specifically to a coffin, which is a small chamber for the dead.
Think of a 'small room' ('cofa') where someone rests after death — that's why 'coff' refers to a coffin.