aviso noun3 •A kind of dispatch boat or "advice boat", carrying orders before the development of effective remote communication; an advice boat, or dispatch boat. •A mid-sized colonial warship. •Advisory; information; advice; intelligence.I am not foot-poast, / No pedlar of Aviso's, no monopolist / Of forged Corantos, monger of Gazets. — 1638 formsavisoes · avisos