Alternative for riders whose preference is to meet the oncoming world feet first rather than head first. Some models are so comfortable they come with built-in ashtrays. Found on http://www.bikereader.com/contributors/SAM/glossary.html
Re·cum'bent (-b e t) adjective [ Latin recumbens , -entis , present participle of recumbere . See Recumb , Incumbent .] Leaning; reclining; lying; as, the recumbent posture of the Romans at their meals. Hence, figuratively; Resting; inactive; idle. -- ... Found on http://www.encyclo.co.uk/webster/R/28
recumbent 1. Lying down in a position of comfort or rest. 2. A plant or animal part that rests or leans against something else. 3. Leaning; reclining; as the recumbent posture of the Romans at their meals. 4. Reposing; inactive; idle. Found on http://www.wordinfo.info/words/index/info/view_unit/582/2