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bread mould

British  

noun

  1. a black saprotrophic zygomycete fungus, Rhizopus nigricans , occurring on decaying bread and vegetable matter

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Butter a brown bread mould, pour in the mixture, steam for three hours, keep the water steadily boiling, remove the cover of the mould, and bake twenty minutes in the oven to form a crust.

From The Golden Age Cook Book by Dwight, Henrietta Latham

Butter two small or one large brown bread mould.

From Miss Parloa's New Cook Book by Parloa, Maria