Definition of macrauchene in US English:

macrauchene

noun

rare
  • A litoptern of the fossil genus Macrauchenia. Compare Macrauchenia.

Origin

Mid 19th century; earliest use found in The Penny Cyclopaedia. From scientific Latin Macrauchenia Macrauchenia, with omission of the ending.

Pronunciation

macrauchene

/makrɔːˈkiːn/