虎牢关 hǔláoguān Hulao Pass (mountain pass) Definitions Defs Origin Strokes Stroke Words Sentences Sents 虎 hǔ noun tiger tiger; commonly referred to as 老虎 lǎohǔ牢 láo [animal pen] (literary) a pen or fold for domestic animals such as cattle or sheep关 關 guān noun pass A mountain pass; a strategic checkpoint at a border or critical location