n. 1. A roundabout way or course, especially a road used temporarily instead of a main route. 2. A deviation from a direct course of action. intr. & tr.v. de·toured, de·tour·ing, de·tours To go or cause to go by a roundabout way. [French détour, from Old French destor, from destorner, to turn away : des-, de- + torner, to turn; see TURN.] |
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