hairsplitter
Hair"split`ter, n. Defn: One who makes excessively nice or needless distinctions in reasoning; one who quibbles. "The caviling hairsplitter." De Quincey.
Hair"split`ter, n. Defn: One who makes excessively nice or needless distinctions in reasoning; one who quibbles. "The caviling hairsplitter." De Quincey.