old variant of 帽[mao4]

milliner

brim (of a hat)

variant of 帽檐[mao4 yan2]

Mt Maotian in Chengjiang County 澄江縣|澄江县[Cheng2 jiang1 Xian4], Yuxi, east Yunnan

the ribbon around a cap

(slang) police officer

hat trick (when one player scores three goals)