葫芦 (hú lu) primarily refers to the bottle gourd or calabash, a fruit whose dried shell is used as a container or musical instrument. By extension, the word names a hoist or block and tackle (whose shape resembles a gourd), and in poker it means a full house. The character also appears in the idiom 葫芦里卖什么药 ('what medicine is [one] selling in that gourd?'), meaning 'what's hidden up someone's sleeve,' and in 稀里糊涂 (muddled, confused), though those are set phrase usages, not independent noun senses.