礼帽

礼帽	lǐ mào	hat that goes with formal dress / top hat
礼	Lǐ	surname Li / abbr. for 礼记, Classic of Rites
礼	lǐ	gift / rite / ceremony / CL:份 / propriety / etiquette / courtesy
帽	mào	old variant of 帽
帽	mào	hat / cap