Small boat used to assist larger vessels into port (3)
I believe the answer is:
tug
(Other definitions for tug that I've seen before include "water tower" , "Tow (of war?)" , "Pull a form of boat" , "Tow boat" , "Sudden abrupt pull" .)
I believe the answer is:
tug
(Other definitions for tug that I've seen before include "water tower" , "Tow (of war?)" , "Pull a form of boat" , "Tow boat" , "Sudden abrupt pull" .)