1. a bag or pouch attached to a saddle on a horse or bicycle for carrying items
2. a bag designed to hang over the back of a motorcycle or bicycle seat

Examples

• The cowboy packed his supplies in leather saddlebags.
• She attached waterproof saddlebags to her touring bicycle.
• The motorcycle’s saddlebags provided extra storage for the long trip.
• He stored his tools in the saddlebag while riding across the ranch.
• The bicycle saddlebags were perfect for carrying groceries home.
• Old western movies often show horses with bulging saddlebags.
• The rider’s saddlebags contained food and water for the journey.