noun Date: 1839 an area in which natural bitumens collect and are exposed at the earth's surface and which tends to trap animals and preserve their hard parts (as bones or teeth)
TAR PIT
Meaning of TAR PIT in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012