collateral

Short definition from Wiktionary

Adjective

1. 1
   Parallel, in the same vein, side by side.
2. 2
   Corresponding; accompanying, concomitant.
3. 3
   Being aside from the main subject, target, or goal.
4. 4
   Of an indirect ancestral relationship, as opposed to lineal descendency.
5. 5
   Relating to a collateral in the sense of an obligation or security.
6. 6
   Expensive to the extent of being paid through a loan.
7. 7
   Coming or directed along the side.
8. 8
   Acting in an indirect way.
9. 9
   Having the phloem and xylem adjacent.

Noun

1. 1
   A security or guarantee (usually an asset) pledged for the repayment of a loan if one cannot procure enough funds to repay.
2. 2
   A collateral (not linear) family member.
3. 3
   A branch of a bodily part or system of organs.
4. 4
   Printed materials or content of electronic media used to enhance sales of products (short form of collateral material).
5. 5
   A thinner blood vessel providing an alternate route to blood flow in case the main vessel becomes occluded.
6. 6
   A contemporary or rival.