The Vietnamese word "bọng đái" is a noun that refers to the "vesica," which is a term used in anatomy to describe the urinary bladder. This is the organ in the body that stores urine before it is excreted.
In medical discussions, you might encounter phrases like: - "Bọng đái bị viêm" (Inflamed bladder) - "Giãn bọng đái" (Distended bladder)