Also spelled sun-bonnet
noun
Freq #323648
Meanings
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1
noun
a bonnet with a broad brim or projecting sides designed to shade the face and neck from sunlight
She tied the ribbons of her sunbonnet before walking into the field.
Thesaurus
Etymology
A compound of sun + bonnet, recorded in American English in the nineteenth century. The name describes a practical bonnet whose brim and often a rear curtain shield the wearer's face and neck from strong sunlight.