- any of a series of uniformly spaced ridges on a shaft, parallel to its axis and fitting inside corresponding grooves in the hub of a gear, etc., to transmit torque.
- feather key.
verb (used with object), splined, splin·ing. Machinery.
- splint bone,
- splinter group,
Origin of spline
Examples from the Web for splined
The front end of the feed rod is supported in a drop box q, and is splined to allow the worm k to travel upon it.
The feed screw is splined to give an independent feed, and the swing frame is operated by a worm as shown.
Word Origin for spline
"long, thin piece of wood or metal," 1756, from East Anglian dialect, perhaps from older Danish splind or North Frisian splinj.