greet ‧ ing /ˈɡriːtɪŋ/ BrE AmE noun [uncountable and countable]
1 . something you say or do when you meet someone
in greeting
She raised her hand in greeting.
I smiled a polite greeting, but the woman hardly acknowledged me.
The two cousins exchanged greetings (=greeted each other) .
2 . birthday/Christmas etc greetings a message saying that you hope someone will be happy and healthy on their ↑ birthday , at Christmas etc
3 . greetings! old use used to say hello to someone