A person tries to remove a lid from a jar.
- An example of a lid is the top of a can of beans.
- An example of a lid is putting a lid on street violence.
- a movable cover, hinged or unattached, as for a box, trunk, pot, etc.; top
- Informal a curb or restraint: to put a lid on illegal gambling
- Slang a cap, hat, etc.
- Slang a small package of marijuana, usually about an ounce
- Bot., loosely an operculum
Origin of lidMiddle English from Old English hlid (akin to German -lid in augenlid, eyelid) from base seen in Old English hlidan, to cover from Indo-European base an unverified form ?lei-, to lean
- A removable or hinged cover for a hollow receptacle or box.
- An eyelid.
- Biology A flaplike covering, such as an operculum.
- A curb, restraint, or limit: approved a new lid on corporate spending.
- Informal An act of concealment; a cover: told us to keep a lid on the report until the campaign was over.
- Slang A hat.
- Slang An ounce of marijuana.
Origin of lidMiddle English from Old English hlid ; see klei- in Indo-European roots.
- The top or cover of a container.
- (slang) A cap or hat.
- (slang) One ounce of cannabis.
- (surfing, slang, chiefly Australia) A bodyboard or bodyboarder.
- the rest of us managed to dodge out of control lid riders — Kneelo Knews August 2003 
- Mal rider, shortboard or lid everyone surfs like a kook sometimes. — realsurf.com message board 2001 
- (slang) A motorcyclist's crash helmet.
- (slang) In amateur radio, an incompetent operator.
- (abbreviation) Eyelid.
(third-person singular simple present lid, present participle lidding, simple past and past participle lidded)
- To put a lid on something.
Old English hlid, from Proto-Germanic *hlidą (compare Dutch lid, German Lid (“eyelid”), Swedish lid (“gate”)), from Proto-Indo-European *ḱlíto (“post, trimmed log”) (compare Old Norse hlíð (“slope”), Welsh clwyd (“gate, hurdle”), Latin clitellae (“pack saddle”), Lithuanian šlìtė (“ladder”), pã-šlitas (“curved”), Russian калитка (kalitka, “gate”), Ancient Greek ἄκλιτος (áklitos, “stable”), δικλίς (diklís, “double-posted (doors, gates)”), Yazghulami xad 'ladder', Sanskrit श्रित (śrita, “standing on, lying on, being on, fixed on, situated in”), from Proto-Indo-European *ḱley- (“to lean”). More at lean.