If by direct or by collateral hand
They find us touched, we will our kingdom give . . .
To you in satisfaction.
Shak.

That he [Attebury] was altogether in the wrong on the main question, and on all the collateral questions springing out of it, . . . is true.
Macaulay.

Yet the attempt may give
Collateral interest to this homely tale.
Wordsworth.

* 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. Blackstone.

Collateral assurance, that which is made, over and above the deed itself. -- Collateral circulation (Med. *** Physiol.), circulation established through indirect or subordinate branches when the supply through the main vessel is obstructed. -- Collateral issue. (Law) (a) An issue taken upon a matter aside from the merits of the case. (b) An issue raised by a criminal convict who pleads any matter allowed by law in bar of execution, as pardon, diversity of person, etc. (c) A point raised, on cross-examination, aside from the issue fixed by the pleadings, as to which the answer of the witness, when given, cannot subsequently be contradicted by the party asking the question. -- Collateral security, security for the performance of covenants, or the payment of money, besides the principal security,