Lu•ther(lo̅o̅′thər; Ger. lŏŏt′ər),USA pronunciationn.Mar•tin(mär′tn; Ger. mär′tēn),USA pronunciation 1483–1546, German theologian and author: leader, in Germany, of the Protestant Reformation.
a male given name: from Germanic words meaning "famous'' and "army.''