The cardinal number that is the sum of seventeen and one(noun)
Being one more than seventeen(adjective)
WordNet. Princeton University. 2010.
Use "xviii" in a sentence
"I, xlii; Pro Flacco ", xviii;" pro domo ", xxxiii;"
"In Russia, an employment service company, GogoJobs, uses GogoJobs.ru as its fetching Global English web address.xviii In Peru, some job seekers respond to advertisements for white-collar jobs offered by the Lima branch of the medical outfit Merck & Co., while others apply for far more dangerous jobs in nearby copper mines."
"What teaching, justice, predicting, index fingers, digits, and disks thrown by discus throwers all have in common is the idea that something or someone or some concept is being propelled in the right and best direction.xviii"