- a camper’s clothing and equipment.
- a coarse woolen cloth having a thick nap, used for coats, blankets, etc.
- a heavy woollen cloth with a thick nap
- mainly US and Canadian equipment or supplies, esp those of a camper
1670s, from Dutch duffel, from Duffel, town in Brabant where the cloth was originally sold. Duffel bag is American English, first recorded 1917 in a letter of e e cummings.