Concise Oxford English Dictionary

savant

‘sav(ə)nt(or savante ‘sav(ə)nt
■noun

 a learned person.

C18: Fr., lit. ‘knowing (person)’, pres. participle (used asnoun) of savoir

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Merriam-Webster Collegiate® Dictionary

sa·vantPronunciation:    sa-‘vänt, sə-, –‘väⁿ; sə-‘vant, ‘sa-vəntFunction:          nounEtymology:         French, from Middle French, from present participle of savoir to know, from Latin sapere to be wise ― more at SAGEDate:              1719

1 : a person of learning especially : one with detailed knowledge in some specialized field (as of science or literature)
2 : IDIOT SAVANT 1savant (as used in expressions)

idiot savant
idiot savants
idiots savants

idiot sa·vantPronunciation:    ‘ē-ˌdyō-sä-‘väⁿ, or same asIDIOTandSAVANTfor respective sing and pl formsFunction:          nounInflected Form:   pluralidiots savants \-ˌdyō-sä-‘väⁿ(z)\ oridiot savants \-‘väⁿ(z)\Etymology:         F, literally, learned idiotDate:              1927

1 : a person affected with a mental disability (as autism or mental retardation) who exhibits exceptional skill or brilliance in some limited field (as mathematics or music) ― called also savant
2 : a person who is highly knowledgeable about one subject but knows little about anything else…

EngMac

savant

а. научник; познавач…

English-Serbian dictionary

Savant

Naucnik-Ucenjak