The cowling was split vertically, and could hinge open for maintenance.
Many of the pine boards had split vertically.
Splitting is usually done to logs that are already sawn to length and so they may be split vertically.
The skin over that bud has split vertically!
Windows are held inside containers, which can be split vertically or horizontally.
Where once a 25-foot-wide town house stood on West 16th Street, a pair of brothers plans to build two residences in a single building split vertically.
It was split vertically in halves, and there was nothing, or at least very little inside it.
But in pre-industrial Africa, countries split vertically, along rigid tribal lines, and so party competition can lead to group warfare.
Similarly the fuselage built the same way, although it was split vertically along the centerline.
On these cars, the rear door window glass was split vertically in half.