Plural of frowner; multiple people who frown or are inclined to frown.
Simply the plural form of 'frowner', created by adding the standard English plural suffix '-s' to the singular noun.
The word 'frowners' reminds us that even in Shakespeare's time, people used specific words for specific types of people based on their expressions—it was as normal then as calling someone 'happy' or 'cheerful' is today.
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