Collateral(a.)
- Related to, but not strictly a part of, the main thing or matter under consideration; hence, subordinate; not chief or principal; as, collateral interest; collateral issues.
Collateral(a.)
- Tending toward the same conclusion or result as something else; additional; as, collateral evidence.
Collateral(a.)
- Descending from the same stock or ancestor, but not in the same line or branch or one from the other; -- opposed to lineal.