— lucubrator , n. — lucubratory /looh kyooh"breuh tawr'ee, -tohr'ee/ , adj.
/looh"kyoo brayt'/ , v.i. , lucubrated, lucubrating .
1. to work, write, or study laboriously, esp. at night.
2. to write learnedly.
[ 1615-25; lucubratus, ptp. of lucubrare to work by artificial light, equiv. to lucu-, var. (before labials) of luci-, comb. form of lucere to shine + -br ( um ) instrumental suffix + -a- theme vowel + -tus ptp. suffix ]