Definition of lucubrate in English:

lucubrate

verb

[no object]
  • 1archaic Write or study, especially by night.

    1. 1.1Produce scholarly written material.
      ‘I have often lucubrated for your Magazine’
      hold forth, expatiate, pontificate

Origin

Early 17th century from Latin lucubrat- ‘(having) worked by lamplight’, from the verb lucubrare.

Pronunciation

lucubrate

/ˈluːkjʊbreɪt/