amphipod

noun

1. any of numerous small, flat-bodied crustaceans of the group Amphipoda, including the beach fleas, sand hoppers, etc.

adjective

2. of or relating to the amphipods.

noun

1. any marine or freshwater crustacean of the order Amphipoda, such as the sand hoppers, in which the body is laterally compressed: subclass Malacostraca

adjective

2. of, relating to, or belonging to the Amphipoda