Answer: tug

AnswerCrossword Clue
TUGPull on
TUGAct of war?
TUGPlay with a dog toy, maybe
TUGJerk
TUG... of war
TUGHaul
TUGYou can do it to heartstrings
TUGHarbor workhorse
TUGSign of a fish on the line
TUG"... of War" (1982 Paul McCartney album)
TUGBoat tower
TUGPull hard
TUGTower in the bay
TUGYank hard
TUGBig jerk?
TUGFish-on-the-line sign
TUGGarbage barge puller
TUGPull, as ropes
TUGTim McGraw's dad
TUGTower in the water
tugact of tugging
TUGLittle yank
TUGHarbor sight
TUGPull (on)
TUGSmall tower
TUGHarbor hauler
TUGStrain at
TUGBig jerk
TUGParticipate in a war?
TUGYank
TUGHarbor craft
TUGHarbor vessel
TUGHarbor dragger
TUGPowerful pull
TUGBarge puller
TUGWater tower?
TUGVigorous pull
TUGHarbor helper
TUGHarbor work boat
TUGPull