hello: Meaning and Definition of

hel•lo

1. (used to express a greeting, answer a telephone, or attract attention.)
2. (an exclamation of surprise, wonder, elation, etc.)

1. the call “hello” (used as an expression of greeting): She gave me a warm hello.

1. to say “hello”; to cry or shout: I helloed, but no one answered.

1. to say “hello” to (someone): We helloed each other as though nothing had happened.