Pine tar is a sticky, black substance that is commonly used to preserve and protect outdoor wooden surfaces such as fences, decks, and boats. It is also used as a coating for baseball bats and other sports equipment to give them a better grip. Some synonyms for pine tar include wood tar, pitch, resin, and tar. However, it is important to note that not all of these substances are the same as pine tar, and they may have different properties and uses. It is always important to check the ingredients and usage instructions before using any product on your wooden surfaces or sports equipment.