Examples from the Web for tugboat
A tugboat improbably sits high on the bank, obscured by tall grass, a broken oil rig hangs over the water nearby.
After airstrikes began, Libyan armed men seized an Italian tugboat in Tripoli used to service the coastal oil platforms.
The liner began to slacken her speed, and the tugboat soon was alongside.Sinking of the Titanic|Various
Leaving disaster aboard the Minnesota, we turned and sunk the tugboat Dragon.The Long Roll|Mary Johnston
Back of them, 105 perhaps a little more than a half mile, the tugboat was following doggedly in their wake.
Back of them, coming nearer at every turn of her propeller, raced the tugboat.
I did not give up the venture there, however, but directed the captain of the tugboat to make directly for the island.My Life in Many States and in Foreign Lands|George Francis Train