/boohl'yeuh bays", boohl"yeuh bays'/ ; Fr. /booh yann bes"/ , n.
a soup or stew containing several kinds of fish and often shellfish, usually combined with olive oil, tomatoes, and saffron.
[ 1850-55; boui-abaisso, taken as either "boil it, then lower the heat," or "when it boils, lower the heat"; boui 2d sing. impv. or 3d sing. pres. of bouie to BOIL 1 ; abaisso 2d sing. impv. of abaissa to lower; see ABASE ]