recumbent
/ri-ˈkəm-bənt/
adjective
comfortably recumbent against a fallen tree
Then Mr. Grey was shown in, and found the squire recumbent on a sofa, with a store of books within his reach …
noun
a bicycle with a wide seat that has a back support and is positioned so that the rider's legs are extended horizontally forward to the pedals and the body is reclined
The recumbent requires a bit more space, but its chairlike seat offers better back support.