slogan Meaning, Definition & Usage

  1. noun a favorite saying of a sect or political group
    catchword; motto; shibboleth.

WordNet

Slo"gan noun
Etymology
Gael. sluagh-ghairm, i.e., an army cry; sluagh army + gairm a call, calling.
Definitions
  1. The war cry, or gathering word, of a Highland clan in Scotland; hence, any rallying cry. Sir W. Scott.

Webster 1913