1. Being by the side, side by side, on the side, or side to side.
In his bright radiance and collateral light
Must I be comforted, not in his sphere.
COLLATERAL pressure is pressure on the side. So we say, collateral circumstances, circumstances which accompany a principal event.
2. In genealogy, descending from the same stock or ancestor, but not one from the other; as distinguished from lineal. Lineal descendants proceed one from another in a direct line; collateral relations spring from a common ancestor, but from different branches of that common stirps or stock. Thus the children of brothers are collateral relations, having different fathers, but a common grandfather.
3. collateral security, is security for the performance of covenants or the payment of money, besides the principal security.
4. Running parallel.
5. Diffused on either side; springing from relations; as, collateral love.
6. Not direct, or immediate.
If by direct or collateral hand.
7. Concurrent; as, collateral strength.
COLLATERAL, noun A collateral relation or kinsman.