Etymology 1 Noun carcoon (plural carcoons) Alternative form of karkun Etymology 2 Blend of car + cocoon. Verb carcoon (third-person singular simple present carcoons, present participle carcooning, simple past and past participle carcooned) To treat a car as an extension of one's home and work environment, attempting to maximize comfort and productivity by using it to do things commonly done off the road, such as eating, making phone calls, and consuming entertainment. Quotations For quotations using this term, see Citations:carcoon. Anagrams Raccoon, raccoon