Pronunciation: (he-lō', hu-, hel'ō), [key]
—interj., n., pl. -los,
—v., -loed, -lo•ing.
1. (used to express a greeting, answer a telephone, or attract attention.)
2. (an exclamation of surprise, wonder, elation, etc.)
the call “hello” (used as an expression of greeting): She gave me a warm hello.
to say “hello”; to cry or shout: I helloed, but no one answered.
to say “hello” to (someone): We helloed each other as though nothing had happened. Also, esp. Brit.,hullo.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.