Ouabain

//ˈwɑːbeɪn// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A poisonous cardiac glycoside, g-strophanthin, found in the seeds of certain lianas. countable, uncountable

    "In moderate dosage ouabain is used today to treat emergency heart failure; in excessive doses it makes the heart go crazy, pumping wildly until it collapses."

Example

More examples

"In moderate dosage ouabain is used today to treat emergency heart failure; in excessive doses it makes the heart go crazy, pumping wildly until it collapses."

Etymology

From ouaba(io) + -in, after French ouabain, ultimately from Somali waabaayo, meaning "arrow poison".

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.