The term BREA can be broken down into two crossword solutions: TAR (3 letters) and PIT (3 letters). TAR is a dark, sticky substance derived from the destructive distillation of organic matter such as wood. It is used for waterproofing, sealing, and preserving materials. PIT is a large hole or depression in the ground, usually caused by natural processes such as erosion. It can also refer to a mine or quarry.