The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
transitive verb e·lu·cu·brat·ed, e·lu·cu·brat·ing, e·lu·cu·brates
To produce (a written work) by working long and diligently.
Origin: Back-formation from elucubration.