DROP-OFF

ˈ ̷ ̷ˌ ̷ ̷ noun

( -s )

Etymology: from drop off, v.

: a very steep or perpendicular drop or descent

shoals here at the drop-off are referred to as the outer reefs — P.A.Zahl

a climb of many short turns and dizzy drop-offs — C.F.Saunders