1) Genus macropus 2) Mammal genus 
Macropus is a marsupial genus that belongs to the family Macropodidae. It has 13 species which are further divided into 3 subgenera. The genus includes all terrestrial kangaroos, wallaroos and several species of wallaby. The term itself is derived from the Ancient Greek makros `long` and pous `foot`. A further 11 extinct species are recognised...
• (n.) genus of marsupials including the common kangaroo.
Mac'ro·pus noun [ New Latin See Macropod .] (Zoology) A genus of marsupials including the common kangaroo. 
[n] - type genus of the family Macropodidae: typical kangaroos and wallabies
macropus Genus of marsupials including the common kangaroo.
genus Macropus noun type genus of the family Macropodidae: typical kangaroos and wallabies