generally, any wind that is not associated with rotation, used mainly to differentiate them from tornadic winds.
Winds blowing from the same direction. This term is usually used in distinguishing winds blowing in a straight line out of a thunderstorm from the circular winds of a tornado.
Thunderstorm winds that may product damage that typically exhibits a lack of a rotational damage pattern. Straight-line winds are most often produced by a thunderstorm gust front, originating from a downburst.