1. (v. t.) To pull or draw with great effort; to draw along with continued exertion; to haul along; to tow; as, to tug a loaded cart; to tug a ship into port.

2. (v. t.) To pull; to pluck.

3. (v. i.) To pull with great effort; to strain in labor; as, to tug at the oar; to tug against the stream.

4. (v. i.) To labor; to strive; to struggle.

5. (n.) A pull with the utmost effort, as in the athletic contest called tug of war; a supreme effort.

6. (n.) A sort of vehicle, used for conveying timber and heavy articles.

7. (n.) A small, powerful steamboat used to tow vessels; -- called also steam tug, tugboat, and towboat.

8. (n.) A trace, or drawing strap, of a harness.

9. (n.) An iron hook of a hoisting tub, to which a tackle is affixed.

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