a joint that allows movement in two directions; the only saddle joint in the human body is in the thumb
2. another name for saddle (sense 5)
saddle joint in American English
noun
Building(on a sill, coping, or the like)
a vertical joint raised above the level of the washes on each side
Word origin
[1870–75]This word is first recorded in the period 1870–75. Other words that entered Englishat around the same time include: Mafia, Victorian, asymmetric, fifth wheel, immobilize