noun

A curve or recess in a coastline, river, or other geographical feature.

Days after the accident, ABP issued a notice to pilots telling them they should avoid passing in bights – areas where rivers curve – and emphasising they should always clearly communicate their intentions to the pilots of other ships.

cove,inlet,estuary,indentation,natural harbour,gulf,basin,fjord,ria,sound,arm,bight,firth,anchorage