(of a vehicle, conveyance, etc.) Pulled by means of an attached line, such as a cable, chain, or rope.
(figuratively, usually of persons) Following or accompanying under the direction of another, as if attached by a line and being pulled.
Source: en.wiktionary.orgMy recipe for bliss on a Friday night consists of a 'New York Times' crossword puzzle and a new episode of 'Homicide;' Saturdays and Sundays are oriented around walks in the woods with the dog, human companion in tow some of the time but not always. Caroline Knapp
I will take a short time out from being in Parliament when the baby is born but I'll still be doing my constituency work - just with another baby in tow. Lucy Powell
A reciprocal arrangement could be that they baby-sit one night while you have a night out without the kids in tow. Source: Internet
At the same time, Yuki, deciding that she can wait no longer, steals Dom's van and guns, and rushes into the store with Yutaka in tow. Source: Internet
Dundee becomes obsessed with his quest and heads deep into the wilderness of Mexico with his exhausted men in tow. Source: Internet
He returned to Trieste in January 1910 with another sister, Eileen, in tow. Source: Internet