Merriam-Webster Collegiate Dictionary - fitch

 I. biographical name  (William) Clyde 1865-1909 American dramatist  II. biographical name John 1743-1798 American inventor  III. biographical name Val Logsdon 1923- American physicist FITCH  or ~ew  noun  Etymology: Middle English fiche, ficheux, from Middle French or Middle Dutch; Middle French fichau, from Middle Dutch vitsau  Date: 15th century  1. polecat 1  2. the fur or pelt of the polecat