Between the first pair of legs and the fangs of spiders is a pair of leg-like appendages known as pedipalps. In many arachnids, such as spiders, the pedipalps are enlarged in the male and used for copulation.

(noun) a pair of appendages near the spider's mouth that function as a sense organ or to grasp

(ped - ee - palps) In horseshoe crabs, this refers to their jointed walking legs (five pairs), each ending in a claw.

first pair of appendages at prosoma, shorter than walking legs, used for prey, holdling, cleaning, etc; site of sexual organ in adult male spiders (genital bulb)

second pair of appendages of the cephalothorax corresponding to the mandibles of insects.

The second pair of appendages of cheliceromorphs. In many arachnids, such as spiders, the pedipalps are enlarged in the male and used for copulation.

Second pair of appendates on the cephalothorax of a spider, used to guide prey to the mouth.