Definition of mesolabe in English:

mesolabe

noun

historical
  • An instrument used for finding lines that are mean proportionals.

Origin

Late 16th century; earliest use found in Thomas North (1535–?1603), translator. From Middle French mesolabe from classical Latin mesolabus (Vitruvius) or its etymon Hellenistic Greek μεσολάβος from μεσο- + -λάβος.

Pronunciation

mesolabe

/ˈmɛsə(ʊ)leɪb/