Dictionary.com
Thesaurus.com

kidneywort

American  
[kid-nee-wurt, -wawrt] / ˈkɪd niˌwɜrt, -ˌwɔrt /

noun

  1. the navelwort, Umbilicus rupestris, of the stonecrop family, having drooping yellowish-green flowers.


Etymology

Origin of kidneywort

1630–40; kidney + wort 2, from its use in treating kidney ailments