D defs.my
Entry 3 senses · 2 variants Webster, 1913

Longitudinal

/länˌ-jət-o͞od'-ən-əl/ · Lon·gi·tu·di·nal · IPA /ˌlɔn.dʒɪˈtu.dɪ.nəl/
01 a. Of or pertaining to longitude or length; as, longitudinal distance.
  1. 1.
    Of or pertaining to longitude or length; as, longitudinal distance.
  2. 2.
    Extending in length; in the direction of the length; running lengthwise, as distinguished from transverse; as, the longitudinal diameter of a body.
02 n. A railway sleeper lying parallel with the rail.
  1. 1.
    A railway sleeper lying parallel with the rail.