NIB
WordNet
noun
(1) Horny projecting mouth of a bird
(2) The writing point of a pen
WiktionaryText
Noun
- The tip of a pen or tool that touches the surface.
- The bill or beak of a bird; the neb.
- Bits of trapped dust or other foreign material that form imperfections in painted or varnished surfaces.
- Partially processed cocoa bean.