collateral

(noun) a security pledged for the repayment of a loan.

(adj) descended from a common ancestor but through different lines. Synonyms: collateral (vs. lineal), indirect. Examples: "Cousins are collateral relatives." "An indirect descendant of the stuarts."

(adj) serving to support or corroborate. Synonyms: confirmative, confirming, confirmatory, corroborative, corroboratory, substantiating, substantiative, validating, validatory, verificatory, verifying. Example: "Collateral evidence."

(adj) accompany, concomitant. Example: "Collateral target damage from a bombing run."

(adj) situated or running side by side. Example: "Collateral ridges of mountains."