a device that retards something's motion

hold back, as of a danger or an enemy; check the expansion or influence of

seize on its way

render unsuitable for passage

any of various stops on a workbench against which work can be pushed (as while chiseling or planing)

a stop that keeps open doors from moving

a hinged catch that fits into a notch of a ratchet to move a wheel forward or prevent it from moving backward

a catch mechanism that acts as a switch