any plant of the genus Pachysandra, as the Allegheny spurge or Japanese spurge, the leaves of which grow in a rounded clump, widely used as a ground cover in the U.S.
Origin: 1805–15; < NL: the genus name, irreg. from Gk pachýs thick + Gk andr- (s. of anr man; see andro-) + -a-a2; so called in reference to the thick stamens of the male flowers
pach·y·san·dra (pāk'ĭ-sān'drə) n. Any of several plants of the genus Pachysandra, especially the evergreen P. terminalis native to Japan, having toothed leaves and inconspicuous white unisexual flowers. Also called Japanese spurge.
[New Latin Pachysandra, genus name : Greek pakhus, thick + New Latin -andrus, -androus (after its thick stamens).]