Quick answer
Deimos is a boy name meaning "terror".
Pronunciation: Classical Greek /dêː.mos/; English /ˈdaɪ.məs/.
Meaning and history
The name means "terror" in Greek. This was one of the sons of the Greek god Ares. Also, a moon of Mars bears this name.
Notes and context
Usage: greek mythology | Ancient Greek: Δεῖμος