Home › Words › P › packyearpackyearpackyear · noun — A measure of the cigarettes a person has smoked, equal to a pack (of twenty cigarettes) each day for a year.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, packyear ranks #3,379 of 42,820 for Qualifying.EtymologyFrom pack + year.nounA measure of the cigarettes a person has smoked, equal to a pack (of twenty cigarettes) each day for a year.Definitions & examples from Wiktionary (CC BY-SA 3.0).