Citations:hello

Interjection: greeting

 * 1870 — Sidney Lanier, Nine from Eight
 * Then I says “Hello, here, Garry!
 * 1876 — Mark Twain, The Adventures of Tom Sawyer, ch XXVII
 * "Hello, Huck!" "Hello, yourself."
 * 1889 — Mark Twain, A Connecticut Yankee in King Arthur's Court, ch XV
 * How the thought of her carries me back over wide seas of memory to a vague dim time, a happy time, so many, many centuries hence, when I used to wake in the soft summer mornings, out of sweet dreams of her, and say "Hello, Central!" just to hear her dear voice come melting back to me with a "Hello, Hank!" that was music of the spheres to my enchanted ear.
 * 1894 — H. G. Wells, The Jilting of Jane
 * ...William came up beside her and said, "Hello!" "Hello yourself!" she said; and etiquette being satisfied, they proceeded to talk together.
 * 1900 — Stephen Crane, A Little Pilgrim
 * A number of acquaintances greeted him contemptuously. "Hello, Jimmie! What you doin' here? Thought you was a Presperterian?"
 * 1906 — Upton Sinclair, The Jungle, ch 24
 * Master Freddie stood for a moment or two, gazing about him; then out of the next room a dog emerged, a monstrous bulldog, the most hideous object that Jurgis had ever laid eyes upon. He yawned, opening a mouth like a dragon's; and he came toward the young man, wagging his tail. "Hello, Dewey!" cried his master. "Been havin' a snooze, ole boy?..."
 * 1939 — Stratemeyer Syndicate, Tom Swift and His Giant Telescope, ch 4
 * Hello, boys. Mr. Damon will be as good as new in a week or so.

Interjection: call for a response
No step though. If she’s there she’s sitting down.”
 * 1920 — Robert Frost, Snow
 * I think I hear a clock—and windows rattling.

“Shout, she may hear you.”

“Shouting is no good.”

“Keep speaking then.”

“'''Hello. Hello. Hello'''. You don’t suppose—? She wouldn’t go out doors?”

Interjection: expression of puzzlement or discovery

 * 1890 — William Dean Howells, A Hazard of New Fortunes, Part IV, ch 7
 * March threw himself back in his chair and looked at him with a kind of stupefaction, in which his eye wandered to the doorway, where he saw Fulkerson standing, it seemed to him a long time, before he heard him saying: "Hello, hello! What's the row? Conrad pitching into you on old Lindau's account, too?"
 * 1906 — Frances Hodgson Burnett, Racketty-Packetty House
 * "Hello," he said all at once. "I've just thought of something to attract her attention. Where's the ball of string?"