Forward and/or backward, relative to some defined direction.
Relating to length, or to longitude.
Running in the direction of the long axis of a body.
Sampling data over time rather than merely once.
Any longitudinal piece, as in shipbuilding etc.
A railway sleeper lying parallel with the rail.
Vertical; erect
Greater in height than breadth.
Of good morals; practicing ethical values.
Having the head approximately at a right angle with the shaft.
In its proper orientation; not overturned.
In or into an upright position.
An upright piano.
An upright arcade game cabinet.
A leg
A word clued by the successive initial, middle, or final letters of the cross-lights in a double acrostic or triple acrostic.
A goal post.
Any vertical part of a structure.
To set upright or stand back up (something that has fallen).