1. a tiny amount or part of something: "the rules have not been altered one jot or tittle since"
▪ a small written or printed stroke or dot, indicating omitted letters in a word.
Word OriginMiddle English (denoting the symbol ÷): from Latin titulus (see title), in medieval Latin ‘small stroke, accent’; the phrase jot or tittle originates from a verse in the New Testament of the Bible (Matthew 5:18).
