Source : Webster's Revised Unabridged Dictionary (1913)

Tow \Tow\, v. t. [imp. & p. p. {Towed}; p. pr. & vb. n.
   {Towing}.] [OE. towen, to?en; akin to OFries. toga to pull
   about, OHG. zog[=o]n, Icel. toga, AS. tohline a towline, and
   AS.te['o]n to draw, p. p. getogen. See {Tug}]
   To draw or pull through the water, as a vessel of any kind,
   by means of a rope.