1. Projecting rounded part of a moulding, as on the edge of a step.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• kising,
• ousing,
• worsing,
• noding,
• soing,
• nooding,
• phsing,
• noseing,
• nooking,
• noine,
• nohing,
• nirsing,
• tosing,
• nohting,
• knoing,
• norning,
• notiing,
• noving,
• unsing,
• notising

The plural of the "Nosing" can be the "nosings".

The singular of the "Nosing" can be the "Nosing".