hello
exclamation
[ həˈləʊ ]
• used as a greeting or to begin a phone conversation.
• "hello there, Katie!"
hello
noun
• an utterance of ‘hello’; a greeting.
• "she was getting polite nods and hellos from people"
hello
verb
• say or shout ‘hello’.
• "I pressed the phone button and helloed"
Origin:
early 19th century: variant of earlier hollo ; related to holla.
