Spoke multiple times?

• Pie-chart features
• Some lines in circles
• Lines on a pie chart, e.g
• Ulnas' partners
• Math lines
• They have a central meeting place
• Arm stiffeners
• Euclid's arms?

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Radius \Ra"di*us\ (r[=a]"d[i^]*[u^]s), n.; pl. L. Radii (r[=a]"d[i^]*[imac]); E. Radiuses (r[=a]"d[i^]*[u^]s*[e^]z). [L., a staff, rod, spoke of a wheel, radius, ray. See Ray a divergent line.] (Geom.) A right line drawn or extending from the center of ...

Wiktionary Word definitions in Wiktionary
n. (plural of radius English)