Saddle

a seat for the rider of a bicycle

a pass or ridge that slopes gently between two peaks (is shaped like a saddle)

a piece of leather across the instep of a shoe

a seat for the rider of a horse or other animal

cut of meat (especially mutton or lamb) consisting of part of the backbone and both loins

posterior part of the back of a domestic fowl

load or burden; encumber

put a saddle on

impose a task upon, assign a responsibility to