ahoy

exclamation humorous • nautical

a call used to greet someone or draw attention to something from a distance.

"ahoy there!"

hello

exclamation

used as a greeting or to begin a phone conversation.

"hello there, Katie!"

noun

an utterance of “hello”; a greeting.

"she was getting polite nods and hellos from people"

verb

say or shout “hello”; greet someone.

"I pressed the phone button and helloed"