Definition of pottery mould in US English:

pottery mould

(US pottery mold)

noun

  • 1A mould used to shape pottery.

  • 2English regional (northern) a shaped ‘brick’ of soft stone mixed with pipeclay, used for whitening hearths, etc.; a hearthstone (now rare).

  • 3A mould made of pottery.

Origin

Mid 19th century; earliest use found in Chambers's Information for People.