SELECTOR • DICCIONARIO INGLES.COM • Definition of Selector

... commercial purposes. In the original selection, as I have already observed, the breeder must have in his eye the model he wishes to propagate. The animals selected should approach the desired type as nearly as can be obtained; and by careful and repeated selections the ideal may be reached. The selector must be well satisfied as to soundness of constitution, especially in laying the foundation of a show-yard herd. If male or female have hereditary defects of constitution, their progeny will inherit them. Show-yard stock, ...

— Cattle and Cattle-breeders • William M'Combie

... power. "Very good, Jules. Now we shall see if the beeper is functioning as it should." He flipped a switch that turned on the finder pickup, then turned the selector to ...

— Anchorite • Randall Garrett