au bleu

adjective (or adverb) \(ˌ)ōˈblœ̅, -ˈblə̄, -ˈblü\

Definition of au bleu

  1. :  cooked by boiling in acidulated water immediately after being killed and cleaned but without being washed or scaled —used especially of trout

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Origin and Etymology of au bleu

French, literally, to the blue; from the fact that the skin of fish cooked in this manner turns blue

First Known Use: 1776

Seen and Heard

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to cast off or become cast off

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