In itinere
Defined in 3 dictionaries — Ballentine's (1916), Black's (1910), Black's (1891)
Ballentine's Law Dictionary
James A. Ballentine · 1916
On the journey; on the way.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
In eyre; on a journey or circuit. In old English law, the justices in itinere (or in eyre) were those who made a circuit through the kingdom once in seven years for the purposes of trying causes. 3 Bl. Comm. 58. In course of transportation; on the way; not delivered to the vendee. In this sense the phrase is equivalent to "in transitu."
A Dictionary of Law
Henry Campbell Black · 1891
In eyre; on a journey or circuit. In old English law, the justices in me itinere (or in eyre) were those who made a circuit through the kingdom onee in seven years for the purposes of trying causes, 3 Bl. Comm. 58. In course -of transportation; on the way; nof delivered to the vendee. In this sense the phrase is equivalent to “in tvansitu.”