Related Clues:

• King or emperor
• School-bag item
• Throne occupant
• Person in charge
• Measuring strip
• School desk item
• Regent, for one
• Yardstick's kin
• It's often a foot long
• Measuring device
• Yardstick
• Stick in school
• Gridiron marcher
• Mehta or Toscanini, e.g.
• Emperor, e.g.