1. any of various portable devices for raising or lifting heavy objects short heights, using various mechanical, pneumatic, or hydraulic methods.
2. Also called knave. Cards. a playing card bearing the picture of a soldier or servant.
3. Electricity. a connecting device in an electrical circuit designed for the insertion of a plug.
4. (initial capital letter) Informal. fellow; buddy; man (usually used in addressing a stranger): Hey, Jack, which way to Jersey?
5. Also called jackston
"people can be jack for people."
"people can be jack."
"funds can be jack."
"stones can be jack."
"fruits can be jack."
This list can help you learn new vocabulary more quickly and be able explore other words more easily.