Definition of orange roughy
: a reddish-orange fish (Hoplostethus atlanticus) of deep subtropical and tropical waters that has firm white flesh and is caught commercially chiefly in the waters of New Zealand
Origin and Etymology of orange roughy
roughy the marine fish Arripis georgianus, short for tommy rough, from Tommy, given name + rough, probably alteration of 1ruff
First Known Use: 1979See Words from the same year
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