lid

Etymology

From Middle English lid, lyd, from Old English hlid, from Proto-West Germanic *hlid, from Proto-Germanic *hlidą (compare Dutch lid, German Lid (“eyelid”), Swedish lid (“gate”)), from Proto-Indo-European *ḱlitós (“covered”), from Proto-Indo-European *ḱley- (“to cover”).

noun

1. The top or cover of a container.
2. (slang) A cap or hat.
3. (slang) One ounce of cannabis.
4. (surfing, slang, chiefly Australia) A bodyboard or bodyboarder.
   Mal rider, shortboard or lid everyone surfs like a kook sometimes. 2001, realsurf.com message board
   the rest of us managed to dodge out of control lid riders 2003 August, Kneelo Knews
5. (slang) A motorcyclist's crash helmet.
6. (slang) In amateur radio, an incompetent operator.
7. Clipping of eyelid.
8. (microelectronics) A hermetically sealed top piece on a microchip such as the integrated heat spreader on a CPU.
9. (figurative) A restraint or control, as when "putting a lid" on something.
   Basically he says that there is a lid on my organization and on my future, and that lid is me. I am the problem with my company and you are the problem with your company. 2011, Dave Ramsey, EntreLeadership, page 11
10. (Liverpool) A kid (from the rhyming slang bin lid)

verb

1. (transitive) To put a lid on (something).