[intransitive] to rest your weight on your bottom with your back straight, for example on/in a chair. She sat and stared at the letter in front of her. Sit for · Sit down · Sit up · Sit around

1[intransitive] to be in a position on a chair, etc. · 2[transitive] sit somebody + adv./prep. to put someone in a sitting position He lifted the child and sat ...

There are 68 meanings listed in OED's entry for the verb sit, 16 of which are labelled obsolete. See 'Meaning & use' for definitions, usage, and quotation ...

​(often disapproving) to spend time doing nothing very useful. I'm far too busy to sit around here. sit around/about doing something He just sits around ...

The earliest known use of the noun sit is in the early 1600s. OED's earliest evidence for sit is from before 1628, in the writing of J. Carmichaell.

​to move from a standing position to a sitting position. Please sit down. He sat down on the bed. They sat down to consider the problem.

​[no passive] to be a model for an artist or a photographer. to sit for your portrait; She sat for Augustus John. Want to learn more?

sit-down noun /ˈsɪt daʊn/ /ˈsɪt daʊn/ [singular] (British English, informal) a rest while sitting in a chair.

sit on something (informal) to have received a letter, report, etc. from somebody and then not replied or taken any action relating to it.

​involving people sitting down. a sit-down protest (= in which people sit down to block a road or the entrance to a building until people listen to their ...