Tug
Part of speech: noun
Definition: a sudden powerful pull a tugboat
Part of speech: verb
Definition: to pull or drag with great effort to pull hard repeatedly to tow by tugboat
Example sentence: '2016' is based on an experiment: what if you let Obama do it himself? That experiment is necessarily limited because I'm not factoring in a Republican House, a Supreme Court or the tug of public opinion.
Tugboat
Part of speech: noun
Definition: A small, powerful boat used to push or pull barges or to help maneuver larger vessels.