water pot or goblet (for Chinese calligraphy)

jar; flask; vase; bottle

spittoon

Yu County or Yuxian, a county in Yangquan City 陽泉市|阳泉市[Yang2 quan2 Shi4], Shanxi

renal pelvis (medicine)

alms bowl

erhua variant of 痰盂[tan2 yu2]

see 盂蘭盆會|盂兰盆会[Yu2 lan2 pen2 hui4]

pyelitis (medicine)

Feast of All Souls (fifteenth day of seventh lunar month) (Buddhism)

If the basin is square, the water in it will also be square. (idiom)

(idiom) to quarrel

(idiom) to quarrel