01 n. A pulley.
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1.
A pulley.(Mach.) [Obs.]
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2.
A pulley, or a structure resembling a pulley; as, the trochlea, or pulleylike end, of the humerus, which articulates with the ulna; or the trochlea, or fibrous ring, in the upper part of the orbit, through which the superior oblique, or trochlear, muscle of the eye passes.(Anat.)