Function: transitive verb
Date: 1833
1 : to activate or cause to flow, operate, or function by or as if by turning a control < turn the water on full> < turn on the power>
2 a : to cause to undergo an intense often visionary experience by taking a drug broadly : to cause to get high b : to move pleasurably <rock music turns her on > also : to excite sexually c : to cause to gain knowledge or appreciation of something specified < turned her on to ballet>
intransitive verb : to become turned on
– turn-on \ ' t ə rn- ˌ o ̇ n, - ˌ än \ noun