Definition of "nipple"
- noun
The projection of a mammary gland from which, on female mammals, milk is secreted.
An artificial nipple (definition 1) used for bottle-feeding infants.
A mechanical device through which liquids can be passed in a regulated manner.
A short tube threaded at both ends, used as a connector.
Any small physical protrusion, such as the lumps on the F and J keys on American keyboards.
Any small physical protrusion on an automotive, a machine part or any other part that fits into a groove on another part.
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