amˈsōnēə, -nyə noun
Etymology: New Latin, from Charles Amson fl 1760 American physician + New Latin -ia
1. capitalized : a genus of herbs (family Apocynaceae) having a milky juice, alternate entire leaves, and showy bluish flowers in terminal cymes, one species ( A. tabernaemontana ) being common in the southeastern United States
2. -s : an herb of the genus Amsonia