Stillers sign refers to the iconic logo of the Pittsburgh Steelers, an American football team. Synonyms for Stillers sign can include steelers mark, steelers symbol, or steelers emblem. These terms can be used interchangeably to describe the recognizable yellow and black logo featuring three astute hypocycloids, known as the "Steelmark". This emblem represents the industrial city of Pittsburgh and symbolizes the team's strength, unity, and determination. The Stillers sign is not only a badge for the franchise but also a representation of the team's rich history, loyal fans, and numerous championships within the National Football League.