Merriam-Webster's Word of the Day, salvo, has a primary military meaning. It describes the discharge or release of bombs, rockets, or artillery. It also refers to the projectiles released in such an action. In general usage, salvo typically denotes a strong or sudden verbal attack. However, it can also signify a sudden outburst of applause or laughter. The word "salvo" can describe a critical remark or a pointed accusation. It originates from the Italian word for a simultaneous firing of guns. This Italian word itself stems from the Latin "salve," meaning "hail." In English, salvo is also used for widespread, sudden expressions of audience reaction. An "opening salvo" signifies a powerful initial action, often verbal.