Notch

жлеб

žleb

(V-shaped cut)

клисура

klisura

(mountain pass)

назъбване

nazǎbvane

(indentation)

ниво

nivo

(level or degree)

отметка

otmetka

(level or degree)

рабош

raboš

(such a cut, used for keeping a record)

рязка

rjazka

(V-shaped cut)

врязвам

vrjazvam

(to cut a notch)