Related Clues:

• Gun blast
• Whiskey order
• Trip around the world
• Spin around
• It can follow each word in 17-, 38- and 61-Across
• Round-the-world trip
• Avoid, in a way
• Make alternations
• There's simply no end to it
• Way around the city
• Rocket's course
• Sphere of action
• Ring's shape
• It's a round trip
• Coronary procedure