Crossword Genius

Formal greeting (4)

Ross

I think it could be either:

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4

6

'formal greeting' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for hail that I've seen before include "Welcome - cold shower" , "Greet, acclaim" , "Call for - praise, vociferously" , "Greeting - falling stones" , "Ave - it's frozen rain" .)

I've seen this clue in the L.A. Times Daily, the Newsday.com and the Thinks.com.
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