This is the 3783rd most frequent Arabic word.
الشتوي
"Al-Shitwi" means "wintery" or "related to winter."
Here, 'الشتوية' is used as an adjective to describe drinks related to winter.
أنا أحب المشروبات الشتوية.
I love winter drinks.
In this case, 'الشتوي' modifies the noun 'معطف,' specifying the type of coat.
المعطف الشتوي دافئ جداً.
The winter coat is very warm.
Here, 'الشتوي' characterizes the walk as being related to or typical of winter activities.