tar

ot noun

1. (usually uncountable) A black, oily, sticky, viscous substance, consisting mainly of hydrocarbons derived from organic materials such as wood, peat, or coal.
2. Coal tar.
3. A solid residual byproduct of tobacco smoke.
4. A sailor, because of the traditional tarpaulin clothes.

fe’l verb

1. To besmirch. The allegations tarred his name, even though he was found innocent.
2. To coat with tar.
3. To create a tar archive.