'Surmounter' definitions:

Definition of 'surmounter'

From: WordNet
noun
Someone who overcomes and establishes ascendancy and control by force or persuasion [syn: subduer, surmounter, overcomer]

Definition of 'Surmounter'

From: GCIDE
  • Surmounter \Sur*mount"er\, n. One who, or that which, surmounts. [1913 Webster]