1) How spokes go 2) In a radial manner 
• (adv.) In a radial manner.
Arranged or having parts arranged like rays developing uniformly around a central axis. ... (09 Oct 1997) ... 
Ra'di·al·ly (rā'dĭ* a l*lȳ) adverb In a radial manner. 
[adv] - in a radial manner
adverb in a radial manner; `an imaginative dispersal of the pews radially from the central focus of the pulpit`
Working out from a certain point, around in a circular motion. For example, Using the ear as the center point, making partings that radiate out like the spokes of a wheel.