incubus

noun in·cu·bus \ ˈiŋ-kyə-bəs , ˈin- \

Definition of incubus

plural incubi play \ˈiŋ-kyə-ˌbī, -ˌbē, ˈin-\ also incubuses
1 : an evil spirit that lies on persons in their sleep; especially : one that has sexual intercourse with women while they are sleeping — compare succubus
2 : nightmare 2
3 : one that oppresses or burdens like a nightmare

Origin and Etymology of incubus

Middle English, from Late Latin, from Latin incubare


Medical Dictionary

incubus

noun in·cu·bus \ ˈiŋ-kyə-bəs, ˈin- \

medical Definition of incubus

plural incubi play \-ˌbī, -ˌbē\ also incubuses
1 : an evil spirit at one time thought to lie on persons in their sleep; especially : one thought to have sexual intercourse with sleeping women — compare succubus
2 : nightmare

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