Definition from Wiktionary, the free dictionary
- Rhymes: -uːθə(r)
- Martin Luther, German monk and theologian whose teaching inspired the Reformation
- (chiefly US) A male given name, transferred use of the German surname of Martin Luther, Germanic liut "people" + heri,hari "army", derived from the given name that appears as Lothar in modern German.
- (rare): A surname from Middle English luthier "lute player".
- A surname.