1. 招呼;致意
Salutation or a salutation is a greeting to someone.

2. (书信开头的)称呼语
The salutation of a letter is the phrase that is used at the beginning of it, such as 'Dear Sir' or 'Dear Mr Rodd'.

1. word of greeting used to begin a letter

2. (usually plural) an acknowledgment or expression of good will (especially on meeting)

Synonym: greeting

3. an act of honor or courteous recognition

e.g. a musical salute to the composer on his birthday

Synonym: salute