interjection, noun, plural -los, verb, -loed, -lo⋅ing.| 1. | (used to call or answer someone, or to incite dogs in hunting.) |
| 2. | the cry “hallo!” |
| 3. | a shout of exultation. |
| 4. | to call with a loud voice; shout; cry, as after hunting dogs. |
| 5. | to incite or chase (something) with shouts and cries of “hallo!” |
| 6. | to cry “hallo” to (someone). |
| 7. | to shout (something). |