noun
or to·pi tōˈpē, ˈ ̷ ̷ˌ ̷ ̷
( -s )
Etymology: Hindi ṭopī
: a lightweight helmetlike hat with a curved brim made originally in India of sola pith that consists usually of a cloth outer covering, and insulating layer of pith or cork, and a light inner framework to fit the head and is worn especially for protection from the sun