Meaning ofnipplein English

Noun

1. milk secretion point on mammals; female trait
2. artificial feeding aid for infants
3. regulated fluid control device
   The engineer installed a nipple to control the flow of water.
4. threaded connector tube
   The plumber used a nipple to connect the two pipes together.
5. a threaded piece holding a spoke on a bike rim
   The cyclist had to replace the nipple on her bike wheel.