an exceptional natural capacity of intellect, especially as shown in creative and original work in science, art, music, etc.: the genius of Mozart.
2.
a person having such capacity.
3.
a person having an extraordinarily high intelligence rating on a psychological test, as an IQ above 140.
4.
natural ability or capacity; strong inclination: a special genius for leadership.
5.
distinctive character or spirit, as of a nation, period, or language.
6.
the guardian spirit of a place, institution, etc.
7.
either of two mutually opposed spirits, one good and the other evil, supposed to attend a person throughout life.
8.
a person who strongly influences for good or ill the character, conduct, or destiny of a person, place, or thing: Rasputin, the evil genius of Russian politics.
1390, from L. genius "guardian deity or spirit which watches over each person from birth; spirit, incarnation, wit, talent," from root of gignere "beget, produce" (see kin), from PIE base *gen- "produce." Meaning "person of natural intelligence or talent" first recorded 1649.
Main Entry: ge·nius Pronunciation: 'jE-ny&s, -nE-&s Function: noun Inflected Form: pluralge·nius·esorge·nii/-nE-"I/ 1: extraordinary intellectual power especially as manifested in creative activity 2: a person endowed with
transcendent mental superiority; specifically: a person with a very high intelligence quotient
En"gine\, n. [F. engin skill, machine, engine, L. ingenium natural capacity, invention; in in + the root of gignere to produce. See Genius, and cf. Ingenious, Gin a snare.]1. (Pronounced, in this sense, ????.) Natural capacity; ability; skill. [Obs.] A man hath sapiences three, Memory, engine, and intellect also. --Chaucer. 2. Anything used to effect a purpose; any device or contrivance; an agent. --Shak. You see the ways the fisherman doth take To catch the fish; what engines doth he make? --Bunyan. Their promises, enticements, oaths, tokens, and all these engines of lust. --Shak. 3. Any instrument by which any effect is produced; especially, an instrument or machine of war or torture. "Terrible engines of death." --Sir W. Raleigh. 4. (Mach.) A compound machine by which any physical power is applied to produce a given physical effect. Engine driver, one who manages an engine; specifically, the engineer of a locomotive. Engine lathe. (Mach.) See under Lathe. Engine tool, a machine tool. --J. Whitworth. Engine turning (Fine Arts), a method of ornamentation by means of a rose engine. Note: The term engine is more commonly applied to massive machines, or to those giving power, or which produce some difficult result. Engines, as motors, are distinguished according to the source of power, as steam engine, air engine, electro-magnetic engine; or the purpose on account of which the power is applied, as fire engine, pumping engine, locomotive engine; or some peculiarity of construction or operation, as single-acting or double-acting engine, high-pressure or low-pressure engine, condensing engine, etc.