| v. i. | 1. | To study by candlelight or a lamp; to study by night. |
| v. t. | 1. | To elaborate, perfect, or compose, by night study or by laborious endeavor. |
| Verb | 1. | lucubrate - add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing; "She elaborated on the main ideas in her dissertation" |