( 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. )
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.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012