noun
A seat for a rider, typically made of leather and raised in the front and rear, placed on the back of a horse or other animal, and secured by a strap around the animal's body.
Something resembling a saddle (sense 1) in appearance or shape.
(broadcasting) A timeslot between two popular programmes, in which another programme can be scheduled to encourage people to watch it.
verb
To put a saddle (noun sense 1) on (an animal).
To put (something) on to another thing like a saddle on an animal.
To enter (a trained horse) into a race.
Chiefly followed by with: to burden or encumber (someone) with some problem or responsibility.
Chiefly followed by on or upon: to place (a burden or responsibility) or thrust (a problem) on someone.
To control or restrain (someone or something), as if using a saddle; to bridle, to harness, to rein in.
To get (someone) to do a burdensome task.
To cut a saddle-shaped notch in (a log or other piece of wood) so it can fit together with other such logs or pieces; also, to fit (logs or other pieces of wood) together with this method.
To put something on to (another thing) like a saddle on an animal.
(intransitive, chiefly Canada, US) Often followed by up.