noun / verb
saddle
SAD-uhl/ˈsædl/
A shaped seat fitted over a mount for riding.
The leather saddle sits securely above the horse's fastening girth.

Etymology
Old English sadol already named a seat secured to an animal for riding. The bicycle sense extends that same function to a different kind of mount.
In context
Three points: left hand, left shifter right hand three quarters of the way down the top tube and then you've got your saddle right here on the seat.
More examples
- I adjust my bicycle's saddle for a more comfortable ride.
- We saddle the horses before heading out on the trail.
- Two leather saddles hang in the barn.
Forms
saddle · saddles · saddled · saddling
saddler noun — A person who makes or repairs saddles.
Similar words
- seat
- A general place to sit, not specifically for riding.