With the edge facing in the direction of movement.
With the edge uppermost.
With the edge uppermost.
With the edge facing in the direction of movement.
Running in the direction of the long axis of a body.
Relating to length, or to longitude.
Forward and/or backward, relative to some defined direction.
Sampling data over time rather than merely once.
Any longitudinal piece, as in shipbuilding etc.
A railway sleeper lying parallel with the rail.