Meaning Of Collateral

a.

Coming from, being on, or directed toward, the side; as, collateral pressure.
a.

Acting in an indirect way.
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.
a.

Tending toward the same conclusion or result as something else; additional; as, collateral evidence.
a.

Descending from the same stock or ancestor, but not in the same line or branch or one from the other; -- opposed to lineal.
n.

A collateral relative.
n.

Collateral security; that which is pledged or deposited as collateral security.