descanso
 n.— «Williams said one of the cars came to rest against a descanso, or roadside cross often put up by family and friends to mark where someone died, usually in a traffic accident.» —“Fiery Crash on I-25 Kills One” by Steve Shoup Albuquerque Journal (N.M.) Aug. 23, 2000. (source: Double-Tongued Dictionary)