/ ˈgrævlæks; NAmE ˈgrɑːvlɑːks/ (also grav·ad·lax / ˈgrævədlæks; NAmE ˈgrɑːvədlɑːks/) noun
[ U ] (from Swedish ) raw salmon (= a type of fish) which has been preserved using salt and herbs
••
WORD ORIGIN
Swedish , from grav trench + lax salmon (from the former practice of burying the salmon in salt in a hole in the ground).