An acknowledgment that can be used to say hello or goodbye (aloha is Hawaiian and ciao is Italian).

synonym: aloha.

Roget 293: departure, decession^†, decampment; embarkation; outset, start; removal; exit etc. (egress) 295; exodus, hejira, flight.    leave taking, valediction, adieu, farewell, goodbye, auf wiedersehen [G.], sayonara, dosvidanya [Rus.], ciao, aloha, hasta la vista [Sp.]; stirrup cup; valedictorian.    starting point, starting post; point of departure, point of embarkation, place of departure, place of embarkation; port of embarkation; airport, take-off point, taxiing runway, runway, launching pad, spaceport.    ... show more