pawl(redirected from Ratchet and pawl)
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A hinged or pivoted device adapted to fit into a notch of a ratchet wheel to impart forward motion or prevent backward motion.
(Mechanical Engineering) a pivoted lever shaped to engage with a ratchet wheel to prevent motion in a particular direction
[C17: perhaps from Dutch pal pawl]
a pivoted bar adapted to engage with the teeth of a wheel so as to prevent movement or to impart motion.
[1620–30; < Dutch pal ratchet]
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|Noun||1.||pawl - a hinged catch that fits into a notch of a ratchet to move a wheel forward or prevent it from moving backward|
catch, stop - a restraint that checks the motion of something; "he used a book as a stop to hold the door open"