lap bottom chair
Something you sit on that begins with K is your kiester.
The verb for seat is sit. As in "to sit on something or someone".
your sit on a pillow or something that you can sit on
Something that you sit on add one letter to kit
Birds sit on a nest. It begins with the letter n.
Keester
elephant
Seat.
it means to sit on something
A Yacht!
a chair, a sofa, bottom, and bench.
A wall.