What does ola mean in English?
Because the letter 'H' in the Spanish language is silent, this could easily be "Hola" misspelled. In that case, it would mean "Hello".
If you are sure that it is not misspelled, then it means "Wave", like the waves in the ocean.
The Portuguese equivalent of the English greeting 'Hello, friend' is the following: Oi or ola, amiga or amigo. The Portuguese pronunciation is the following: oy; oh-LAH; ah-MEE-guh; ah-MEE-goo. The word-by-word translation is the following: 'oi' and 'ola' mean 'hello'; 'amiga' and 'amigo' mean 'friend'. The greeting 'oi' ends to be used in Brazil, 'ola' in Portugal.