saddle in WordNet English dictionary

1. a seat for the rider of a bicycle
   bicycle seat  saddle 
   
2. posterior part of the back of a domestic fowl
   saddle 
   
3. a seat for the rider of a horse or camel
   saddle 
   
4. a piece of leather across the instep of a shoe
   saddle 
   
5. cut of meat (especially mutton or lamb) consisting of part of the backbone and both loins
   saddle 
   
6. a pass or ridge that slopes gently between two peaks (is shaped like a saddle)
   saddleback  saddle 
   

1. impose a task upon, assign a responsibility to
   "He charged her with cleaning up all the files over the weekend"
   charge  saddle  burden 
   
2. put a saddle on
   "saddle the horses"
   saddle 
   
3. load or burden; encumber
   "he saddled me with that heavy responsibility"
   saddle