Meaning
1 senses(dated)A cry of surprise.
Examples
2 sentencesI don't know much German beyond "hallo."
"Hallo," said the German.
de"Hallo" hat der Deutsche gesagt. — papago · CC BY 2.0 FR
Origin
From Middle English halou, halow, halloo (interjection used to call attention), representiFrom Middle English halou, halow, halloo (interjection used to call attention), representing Old English hēlā, ǣlā, ēalā (“O!, alas!, oh!, lo!”), equivalent to hey + lo.
Wiktionary, CC BY-SA 4.0 · source
Dictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.