Col*lat"er*al*ly, adv.
1.
Side by side; by the side.
These pulleys . . . placed collaterally.
Bp. Wilkins.
2.
In an indirect or subordinate manner; indirectly.
The will hath force upon the conscience collaterally and indirectly.
Jer. Taylor.
3.
In collateral relation; not lineally.
© Webster 1913.