The noun 壶 (hú) refers to a pot, kettle, or flask — a container typically used for holding liquids such as tea, wine, or water. It is one of the most common words for traditional Chinese teapots and wine vessels. It can stand alone as a noun referring to the physical container itself.
这把壶是爷爷留下来的,有一百多年了。
zhè bǎ hú shì yéye liú xiàlái de, yǒu yìbǎi duō nián le.
This teapot was left behind by grandfather, it's over a hundred years old.
她买了一把紫砂壶来泡功夫茶。
tā mǎi le yì bǎ zǐshā hú lái pào gōngfu chá.
She bought a purple clay teapot for brewing kung fu tea.
桌子上的壶是空的,帮我加点水。
zhuōzi shàng de hú shì kōng de, bāng wǒ jiā diǎn shuǐ.
The pot on the table is empty, help me add some water.