subvectio

subvectĭo, ōnis, f. [subveho], a carrying, transporting, conveying, conveyance:

frumenti,

Liv. 44, 8; Tac. A. 13, 51 fin. — Plur.:

durae subvectiones,

Caes. B. G. 7, 10:

marinae,

Vitr. 1, 5, 1.