salvo, āvi, ātum, 1, v. a. [salvus],
to save (late Lat.; opp. perdere; syn.: servo, conservo), Veg. Vet. 3, 23, 3; Lact. de Ira Dei, 5, 7; Hier. Ep. 20, 4; Vulg. Isa. 4, 2; id. Amos, 2, 14; Sedul. 1, 109.
·noun An exception; a reservation; an <<Excuse>>. II. Salvo ·noun A salute paid by a simultaneous, ...
Webster's Dictionary of the English Language
A discharge from several pieces simultaneously, as a salute. ...
The Sailor's Word-Book