Meaning of "sit" in Essential American English Dictionary

sit

verb us /sɪt/ (present participle sitting, past tense and past participle sat)

A1 to be in a position with the weight of your body on your bottom and the top part of your body up, for example, on a chair:

Emma was sitting on a stool.
The children sat at the table by the window.

A2 (also sit down) to move your body into a sitting position after you have been standing:

She sat down on the grass.

(Definition of “sit” from the Webster's Essential Mini Dictionary © Cambridge University Press)