Definition of hat block in English:

hat block

noun

Hat-making
  • A mould, typically a wooden block in the form of a whole hat, or just the crown, on which the fabric is shaped when making a hat.

Origin

Mid 17th century; earliest use found in Thomas Urquhart (1611–1660), author and translator. From hat + block.

Pronunciation

hat block

/ˈhat blɒk/