Webster’s Revised Unabridged Dictionary · 1913
Sprocket
Sprock′et, n. [Etymology uncertain.] (Mach.) (a) A tooth or projection, as on the periphery of a wheel, shaped so as to engage with a chain. (b) A sprocket wheel.
Webster’s Revised Unabridged Dictionary · 1913
Sprock′et, n. [Etymology uncertain.] (Mach.) (a) A tooth or projection, as on the periphery of a wheel, shaped so as to engage with a chain. (b) A sprocket wheel.