Definition of macrergate in English:

macrergate

(also macroërgate)

Pronunciation /maˈkrəːɡeɪt/

noun

rare Entomology
  • A worker ant of a relatively large subcaste.

Origin

Early 20th century; earliest use found in William Morton Wheeler (1865–1937). From German Makroergate from macro- + ancient Greek ἐργάτης worker.