"帽子" 的英语单词是 "hat".

来源：其词源可追源到中世纪拉丁语 "hatta"，源自古代印度语 "hatsya"。

例句：

I need to buy a new hat for the winter.
(我需要买一顶新帽子度过冬天。)
She wore a wide-brimmed hat to protect herself from the sun.
(她戴了一顶宽边帽子来保护自己免受阳光的伤害。)
He always wears a hat when he goes outside.
(他出门总是戴帽子。)