Home › Words › S › startlinestartlinestartline means A line marking the start of something, such as a race.Among words judged in Lexicurio's Arena, startline ranks #12,995 of 42,747 for Qualifying.EtymologyFrom start + line.nounA line marking the start of something, such as a race.A deadline by which a project, etc. must be started.Definitions & examples from Wiktionary (CC BY-SA 3.0).