Old salutation is a term used to describe a traditional form of greeting. The two crossword solutions for this term are 'AVE' and 'SIRS'. AVE is a Latin word meaning 'HAIL' or 'REJOICE', and is often used as a salutation in religious contexts. SIRS is an abbreviation for the plural form of the word 'SIR', which is a respectful title used when addressing a man. Both of these terms are used as traditional salutations, and are still used today in some contexts.