A strong, abrupt rush of wind.
"After years of working as a sommelier, his gust for fine wines was so refined that he could identify rare vintages by smell alone."
The physiological faculty of taste.
To blow in gusts.
"The chef asked me to gust the sauce before we added any more salt."
To taste.
A surname.
"My neighbor, Mr. Gust, invited us over for dinner last night."