WordReference Random House Unabridged Dictionary of American English © 2025
hul•loo
(hu lo̅o̅′, hul′o̅o̅),USA pronunciation interj., n., pl. -loos, v.i., v.t., -looed, -loo•ing.
- hallo.
'hulloo' also found in these entries (note: many are not synonyms or translations):