Dioscuʹri
.Castor and Pollux. (Greek, Dios kouros, young men of Zeus; dios is gen. of Zeus.)
The horses of the Dioscuri. Cylʹlaros and Harʹpagos. (See Horse.)
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Entry taken from Dictionary of Phrase and Fable, edited by the Rev. E. Cobham Brewer, LL.D. and revised in 1895.