Definition of subradius in US English:

subradius

noun

  • Entomology= radial sector. rare. Now historical.

Origin

Early 19th century (in an earlier sense). From sub- + radius. In sense 1 probably after post-classical Latin subradius. In sense 2 after German Subradius.

Pronunciation

subradius

/ˌsʌbˈreɪdɪəs/