1. a sticky substance produced by plants, especially one used as an adhesive
2. a gelatinous substance found in certain plants and seeds that swells when mixed with water
Usage: botanical

Examples

• The envelope’s mucilage had dried out and wouldn’t stick anymore.
• Cactus plants produce mucilage to help retain water in dry conditions.
• The seeds were covered in a clear mucilage that helped them stick to surfaces.
• Traditional postage stamps used mucilage as their adhesive backing.
• Aloe vera contains mucilage that gives it its gel-like consistency.
• The plant’s mucilage swelled when it came into contact with rainwater.