/
kɒˈlat(ə)r(ə)l/
n.
- something pledged as security for repayment of a loan.
- a person descended from the same ancestor as another but through a different line.
adj.
- descended from the same stock but by a different line.
- additional but subordinate; secondary.
- situated side by side; parallel:
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collateral veins.
Derivative
- collaterality n.
- collaterally adv.
Etymology
ME: from med. L. collateralis, from col- ‘together with’ + lateralis (from latus, later- ‘side’).
