Lon`gi*tu"di*nal (?), a. [Cf. F. longitudinal.]
1.
Of or pertaining to longitude or length; as, longitudinal distance.
2.
Extending in length; in the direction of the length; running lengthwise, as distinguished from transverse; as, the longitudinal diameter of a body.
Cheyne.
© Webster 1913.
Lon`gi*tu"di*nal, n.
A railway sleeper lying parallel with the rail.
© Webster 1913.