Definition of mystacine in English:

mystacine

Pronunciation /ˈmɪstəsʌɪn/

adjective

rare Zoology
  • Designating the whiskered bat Myotis mystacinus.

Origin

Mid 19th century (in an earlier sense). From scientific Latin mystacinus from ancient Greek μυστακ-, μύσταξ moustache + scientific Latin -inus, -ina.