Dictionary
lu•cu•brate
Pronunciation: (lOO'kyoo-brāt"), [key]—
v.i., -brat•ed, -brat•ing.
1. to work, write, or study laboriously, esp. at night.
2. to write learnedly.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.