Spokes, for example

• Pie cuts, basically
• Bones from arm and tibia where odd parts dislodged
• Lines inside a circle
• Artist finally sculpted two bones
• Wheel spokes, e.g
• Cuts into a pizza, often
• Sides of a pie slice, geometrically
• They form central angles
• Rays

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Radii \Ra"di*i\ (r[=a]"d[i^]*[imac]), n., pl. of Radius .