1. Milled, as the head of a screw, or the edge of a coin 
2. Full of knots; gnarled

1. To provide with ridges, to assist the grasp, as in the edge of a flat knob, or coin; to mill

Encyclopedia: Knurl

• marmalade box
• marmalade bush
• marmalade orange
• marmalade plum
• marmalade tree
• Marmara
• Marmara Denizi
• marmite
• Marmora
• marmoreal
• marmorean
• marmoset
• marmot
• Marmota
• Marmota caligata
• Marmota flaviventris
• Marmota monax
• Marne River
• Maroc
• marocain
• maroon
• maroon-purple
• maroon-spotted
• marooned
• Marplan