collateral

American Heritage® Dictionary of the English Language, Fourth Edition

1. adj. Situated or running side by side; parallel.
2. adj. Coinciding in tendency or effect; concomitant or accompanying.
3. adj. Serving to support or corroborate: collateral evidence.
4. adj. Of a secondary nature; subordinate: collateral target damage from a bombing run.
5. adj. Of, relating to, or guaranteed by a security pledged against the performance of an obligation: a collateral loan.
6. adj. Having an ancestor in common but descended from a different line.
7. n. Property acceptable as security for a loan or other obligation.
8. n. A collateral relative.

Century Dictionary and Cyclopedia

1. Situated at the side: belonging to the side or to what is at the side; hence, occupying a secondary or subordinate position.
2. Acting indirectly; acting through side channels.
3. Accompanying; attendant, especially as an auxiliary; aiding, strengthening, confirming, etc., in a secondary or subordinate way: as, collateral aid; collateral security (see below); collateral evidence.
4. Descending from the same stock or ancestor (commonly male) as another, but in a different line: distinguished from lineal. Thus, the children of brothers are collateral relations, having different fathers, but a common grandfather.
5. In botany, standing side by side: as, collateral ovules.
6. In geometry, having a common edge, as two adjoining faces of a polyhedron.
7. n. A kinsman or relative descended from a common ancestor, but not in direct line.
8. n. Anything of value, or representing value, as bonds, deeds, etc., pledged as security in addition to a direct obligation.

Wiktionary

1. adj. parallel, along the same vein, side by side.
2. adj. Corresponding; accompanying, concomitant.
3. adj. being aside from the main subject; tangential, subordinate, ancillary.
4. adj. family of an indirect ancestral relationship, as opposed to lineal descendency.
5. adj. relating to a collateral in the sense of an obligation or security
6. adj. expensive to the extent of being paid through a loan
7. n. A security or guarantee (usually an asset) pledged for the repayment of a loan if one cannot procure enough funds to repay. (Originally supplied as "accompanying" security.)
8. n. A collateral (not linear) family member.
9. n. A branch of a bodily part or system of organs

GNU Webster's 1913

1. adj. Coming from, being on, or directed toward, the side.
2. adj. Acting in an indirect way.
3. adj. Related to, but not strictly a part of, the main thing or matter under consideration; hence, subordinate; not chief or principal.
4. adj. Tending toward the same conclusion or result as something else; additional.
5. adj. (Genealogy) Descending from the same stock or ancestor, but not in the same line or branch or one from the other; -- opposed to lineal.
6. n. A collateral relative.
7. n. Collateral security; that which is pledged or deposited as collateral security.

WordNet 3.0

1. adj. accompany, concomitant
2. adj. situated or running side by side
3. adj. descended from a common ancestor but through different lines
4. adj. serving to support or corroborate
5. n. a security pledged for the repayment of a loan