What is "tow-haired"

Usage examples of "tow-haired".

And then the little tow-haired boy was standing solemnly on the hill with them.

Why should I care what a tow-haired person called Jonas, whom I never saw before thinks of me?

I haven't seen a young man in Valley Road yet, except the next-door hired boy—Sam Toliver, a very tall, lank, tow-haired youth.

All the land was dotted with small townships, and the roads were full of farmers in their town wagons, bunches of tow-haired, boggle-eyed urchins sitting in the hay behind.

There were the walnut faces of the old fishermen who had once taught the tow-haired youngster from New Haven to swim and dive and fish, or taken him scalloping off the Sankaty Light.