Măc'ro-pŏd, n.

noun

n. [Gr. μακρός, long, large, and πούς, ποδός, foot. (Zoöl.) One of a tribe of short-tailed decapodous crustaceans remarkable for the enormous length of their feet; the sea-spider or spider-crab. Baird.

A drawing of a long-legged crab.
Macropod (Camposcia retusa).