Lon`gi*tu"di*nal , n.
A railway sleeper lying parallel with the rail.
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.
Hear it pronounced