(medicine) A test predicting mortality risk in older people, based on whether and how easily they can sit on the floor and then rise back to a standing position.

plural of sitting-out area

(China, Hong Kong) A public space provided with outdoor seating and some shelter.

(dated or formal) A bedsit.

present participle of sit on one's hands

present participle of sit on one's ass

present participle of sit on one's arse

An exercise in which the abdominal muscles are contracted, bringing the torso of a person lying down to a more upright position.

(intransitive) To assume a sitting position from a position lying down. / (intransitive) To sit erect. / (intransitive) To show sudden interest or surprise.

Alternative spelling of sit-up