'Mossback' definitions:

Definition of 'mossback'

(from WordNet)
noun
An extremely old-fashioned conservative

Definition of 'Mossback'

From: GCIDE
  • Mossback \Moss"back`\, n. A veteran partisan; one who is so conservative in opinion that he may be likened to a stone or old tree covered with moss. [Political Slang, U.S.] [1913 Webster] Mossbanker

Synonyms of 'mossback'

From: Moby Thesaurus

Words containing 'Mossback'