saddle

saddle (http://definr.com/saddle)

     n 1: a seat for the rider of a horse
     2: a pass or ridge that slopes gently between two peaks (is
        shaped like a saddle) [syn: saddleback]
     3: cut of meat (especially mutton or lamb) consisting of part
        of the backbone and both loins
     4: a piece of leather across the instep of a shoe
     5: a seat for the rider of a bicycle [syn: bicycle seat]
     6: posterior part of the back of a domestic fowl
     v 1: put a saddle on; "saddle the horses" [ant: unsaddle]
     2: load or burden; encumber; "he saddled me with that heavy
        responsibility"
     3: impose a task upon, assign a responsibility to; "He charged
        her with cleaning up all the files over the weekend" [syn:
         charge, burden]