This is the 14213th most frequent Russian word.
освобождает
"Frees" or "liberates."
"Освобождает" is used as 'frees' or 'rescues', describing action taken to liberate someone (hostages in this context).
Герой фильма освобождает заложников из плена.
The hero of the movie frees the hostages from captivity.
"Освобождает" implies 'clears' or 'removes', showing a natural process of removing or freeing an area (the field) from an element (the snow).
Ветер освобождает поле от снега.
The wind clears the field of snow.
"Освобождает" here means 'exempts' or 'releases', signifying relief from a particular obligation (in this case, taxes).