1. relating to or involving a palpus (a sensory appendage near the mouth of arthropods)
Usage: biological/zoological

Examples

• The spider’s palpal organs are used for reproduction.
• Researchers examined the palpal structure under a microscope.
• The insect’s palpal segments help it taste food.
• Palpal modifications vary among different arthropod species.
• The palpal appendages aid in sensory detection.