Related Clues:

• Greet with enthusiasm
• Signal, as for an 18 Across
• Meet and salute
• Greet, call or salute
• Say hello
• Signal to and summon, say a taxi
• Greet or applaud
• Precipitation of ice pellets
• Frozen rain or Roman greeting
• Old Roman salute, or frozen pellets
• Say hello to the ice pellets
• An ancient Roman hello
• An old Roman salute as to Caesar
• Salutation
• Say hello, hail