One of the simple machines; a sheave, a wheel with a grooved rim, in which a pulled rope or chain lifts an object (more useful when two or more pulleys are used together, as in a block and tackle arrangement, such that a small force moving through a greater distance can exert a larger force through a smaller distance).
To raise or lift by means of a pulley.
A pawl, click, or detent for holding or propelling a ratchet wheel, or ratch, etc.
A noisemaker or musical instrument where sound is generated by a board striking against a rotating gear. See gragger, raganella.
A procedure or regulation that goes in one direction, usually up.
A ratchet wrench.
A mechanism composed of a ratchet wheel, or ratch and pawl.
Ghetto; unseemly, indecorous.
To increment or decrement.
To cause to become incremented or decremented.