![renal pelvis renal pelvis](https://www.tekportal.net/wp-content/uploads/2018/11/renal-pelvis.jpg)
noun
- a small funnel-shaped cavity of the kidney into which urine is discharged before passing into the ureter
n.
- A hollow flattened funnel-shaped expansion of the upper end of the ureter into which urine is discharged before entering the ureter.
noun
n.