Gaozong, the temple name of various emperors, notably 唐高宗[Tang2 Gao1 zong1], 宋高宗[Song4 Gao1 zong1] and 清高宗[Qing1 Gao1 zong1] (aka 李治[Li3 Zhi4], 趙構|赵构[Zhao4 Gou4] and 乾隆[Qian2 long2] respectively)
Definitions (Wiktionary)
name
A temple name used for Chinese emperors, Vietnamese emperors, or Korean monarchs.