Webster’s Revised Unabridged Dictionary · 1913
Sleight
Sleight (slīt), n. [OE. sleighte, sleihte, sleithe, Icel. slægð (for slœgð) slyness, cunning, fr. sl?gr (for sl?gr) sly, cunning. See Sly.] 1. Cunning; craft; artful practice. [Obs.] "His sleight and his covin." Chaucer.
2. An artful trick; sly artifice; a feat so dexterous that the manner of performance escapes observation.
The world hath many subtle sleights. Latimer.
3. Dexterous practice; dexterity; skill. Chaucer. "The juggler's sleight." Hudibras.
Sleight of hand, legerdemain; prestidigitation.