Lŏn'gi-tūd'i-nal1, n.
n. A railway sleeper lying parallel with the rail.
2 entries under this word
n. A railway sleeper lying parallel with the rail.
a. [Fr. & Sp. longitudinal, It. longitudinale.]
Sense 1. Pertaining to longitude or length; as, longitudinal distance.
Sense 2. Extending in length; running lengthwise, as distinguished from transverse or across; as, the longitudinal diameter of a body.