A receptacle for storing, treating, or transporting petroleum.(noun)
The Century Dictionary (Public Domain)
Use "oil-tank" in a sentence
"The International Dairy Foods Association said it welcomed the exemption, but said the administration should have gone further to free the dairy industry from the oil-tank rules."
"The group also claimed it attacked four other pipelines leading to Chevron's oil-tank farm in the region."
"An even more cumbersome option requires a stay in St. John, New Brunswick (site of what looks like the world's largest oil-tank farm), and then a ferry to Digby, across the Bay of Fundy."