Definition of fitch

• n. - A vetch.
• n. - A word found in the Authorized Version of the Bible, representing different Hebrew originals. In Isaiah xxviii. 25, 27, it means the black aromatic seeds of Nigella sativa, still used as a flavoring in the East. In Ezekiel iv. 9, the Revised Version now reads spelt.
• n. - The European polecat; also, its fur.