1. A wooden peg for hanging things on 
2. A knot in wood; a protuberance
   - knur

Derived forms: knags

• series
• series circuit
• serif
• serigraph
• serigraphy
• serin
• serine
• Serinus
• Serinus canaria
• seriocomedy
• seriocomic
• seriocomical
• Seriola
• Seriola dorsalis
• Seriola grandis
• Seriola zonata
• serious
• serious music
• serious-minded
• serious-mindedness
• seriously
• seriousness
• seriph
• Seriphidium
• Seriphidium canum