pinwheel escapement
noun
a clock escapement in which two pallets, usually of unequal length, alternately engage and release pins set on the escape wheel perpendicular to its plane of rotation.
Origin of pinwheel escapement
1First recorded in 1880–85
Words Nearby pinwheel escapement
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
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