AHOY
Etymology
From "a-hoy"; 'hoy' being a Middle English greeting dating back to the fourteenth century.
Interjection
ahoy
(nautical) Used to hail a ship, a boat or a person, or to attract attention.
(humorous) Warning of something approaching or impending.
Usage notes
• Traditionally, when used from a ship to hail an approaching boat, the standard responses are
"aye aye", if a commissioned officer is in the boat;
"no no", if no officer is in the boat;
name of ship, if the captain of another ship is in the boat;
"flag" if an admiral is in the boat.
Synonyms
• (to attract attention): oi, yo; see also hey
Verb
ahoy (third-person singular simple present ahoys, present participle ahoying, simple past and past participle ahoyed)
To hail with a cry of "ahoy".
Noun
ahoy (plural ahoys)
An utterance of this interjection.
Anagrams
• Hoya, hoya
Source: Wiktionary
A*hoy", interj. Etym: [OE. a, interj. + hoy.] (Naut.)
Definition: A term used in hailing; as, "Ship ahoy."
Source: Webster’s Unabridged Dictionary 1913 Edition