Longitudinal \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.
Source: Webster's Revised Unabridged Dictionary (1913)
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