Medical Dictionary
acardius
noun acar·dius \(ˈ)ā-ˈkärd-ē-əs\
Medical Definition of ACARDIUS
: one of a pair of twin fetuses that is formed without a heart and that is usually joined to the other fetus on which it depends for its circulation
Seen & Heard
What made you want to look up acardius? Please tell us where you read or heard it (including the quote, if possible).