Answer: ratch

AnswerCrossword Clue
RATCHNotched bar used with pawl.
RATCHHinged catch.
RATCHNotched bar.
RATCHPawl.
RATCHNotched bar on a machine.
RATCHNotched bar
RATCHToothed bar
RATCHPawl grabber (Var.)
ratchratchet
ratchto prowl (to move about stealthily)