-Something very heavy to carry.
Nautical. any heavy material carried temporarily or permanently in a vessel to provide desired draft and stability. [2.] anything that gives mental, moral, or political stability or steadiness: the ballast of a steady income.
Nautical. any heavy material carried temporarily or permanently in a vessel to provide desired draft and stability. [2.] anything that gives mental, moral, or political stability or steadiness: the ballast of a steady income.