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.
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What does “Indigenous” mean?
Origin of pinwheel escapement
First recorded in 1880–85
Words nearby pinwheel escapement
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020