Dictionary
on-sea•son
Pronunciation: (on'sē'zun, ôn'-), [key]—
adj.
being a time of year that is the busiest or most popular for a specific activity; in season:
on-season airfares.
—
adv.
in or during the busiest season:
to travel on-season.
—
n.
a time of year that is the busiest or most popular for a specific activity:
We stayed at the resort in the on-season. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.