Noah Webster's Dictionary (n.) One who rails; one who scoffs, insults, censures, or reproaches with opprobrious language. Int. Standard Bible Encyclopedia RAIL; RAILING; RAILER, ral, ral'-ing, ral'-er: To "rail" on (in modern usage "against") anyone is to use insolent or reproachful language toward one. It occurs in the Old Testament as the translation of charaph (2 Chronicles 32:17, "letters to rail on Yahweh"), and of `it (1 Samuel 25:14, of Nabal, "he railed at them," the English Revised Version "flew upon them," margin "railed on"). In the New Testament "to rail" is the translation of blasphemeo (Mark 15:29 Luke 23:39; "railing," 1 Timothy 6:4 2 Peter 2:11 Jude 1:9). The word loidoria, rendered railing" in 1 Peter 3:9 the King James Version, is in the Revised Version (British and American) "reviling," and loidoros, "railor," in 1 Corinthians 5:11 is in the Revised Version (British and American) "reviler." See also RACA. W. L. Walker

Multi-Version Concordance Railer (1 Occurrence) 1 Corinthians 5:11 But now I have written unto you not to keep company, if any man that is called a brother be a fornicator, or covetous, or an idolater, or a railer, or a drunkard, or an extortioner; with such an one no not to eat. (KJV WBS YLT)