greeting,
salutation (usually plural) an acknowledgment or expression of good will (especially on meeting)
= synonym
= antonym
= relatert ord
Wiktionary
Substantiv
afternoon -
The part of the day which follows noon, between noon and evening; the part of the day following noon which is daylight all year round; the second half of the working day in regular office hours.
Wikipedia
Afternoon is the time of day from 11:00 a.m. to — depending upon context — evening, sunset, or 6:00 p.m. Its use is often quite subjective.
OmegaWiki Dictionary
Ω
afternoon A greeting that is said when meeting or departing in the afternoon.
afternoon The part of the day which follows noon, between noon and evening.