Meaning of SHELF BREAK in English

Region where the continental shelf and continental slope meet; i.e. where the more gently sloping region of the seabed adjacent to a landmass rather abruptly slopes steeply down towards the ocean depths; commonly around depths of 200m. Comonwealth of Australia (1997)

Fishery English glossary.      Английский глоссарий рыболовства .