Definition & Meaning of "ahoy"

What is the origin and context of use of 'ahoy'?

"Ahoy" is an interjection historically associated with nautical usage, particularly in maritime settings. It's used as a greeting or a call to draw attention, often from one ship to another or from ship to shore. While less common today, it's still used in some maritime contexts and occasionally in informal speech to evoke a nautical or adventurous atmosphere.