noun, plural hel·os.Informal.
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Example sentences from the Web for helo
No known terrestrial element gave such a line and he named the new element which he deduced helium, from Helos, the sun.
The invading army broke up from their ground, and marched off on the road to Helos and Gytheum.Hellenica|Xenophon
By the revolt of two Sclavonian tribes, in the neighborhood of Helos and Lacedmon, the peace of the peninsula was often disturbed.The History of The Decline and Fall of the Roman Empire|Edward Gibbon