only 1 use
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Definition
something that helps to stabilize — especially heavy material in the bottom of an empty ship
- They decided either one of us would work for ballast, but feared Adah's handicap would prevent her holding on, and if she fell in the river the precious battery would also be lost.Book 5 — Exodus (12% in)
There are no more uses of "ballast" in The Poisonwood Bible.
Typical Usage
(best examples)