- Drain out at rock bottom - Low point - Low-water mark - Lowest or most unsuccessful point - Lowest point - Lowest point of broken drain - Lowest point of China dirt
- Base - foot - Lowest point - Secondary - Underside - The lowest part of anything; the foot; as, the bottom of a
tree or well; the bottom of a hill, a lane, or a page. - The part of anything which is beneath the contents and
supports them, as the part of a chair on which a person sits, the
circular base or lower head of a cask or tub, or the plank floor of a
ship's hold; the under surface.