Designed to be sat on.

present participle of sit in for

To take care of children in the absence of their parents; to work as a babysitter for someone. / To serve as a model for an artist or as the subject of a piece of art.

Synonym of sit idly by

present participle of sit by

present participle of sit on

present participle of sit for

present participle of sit in on

Third-person singular simple present indicative form of baby-sit

Third-person singular simple present indicative form of sit out