To counterbalance.
Either of two parts that fit together, or complement one another.
One who or that which resembles another.
A duplicate of a legal document.
One who or that which has corresponding functions or characteristics.
Either half of a flattened fossil when the rock has split along the plane of the fossil.
To offset; compensate for; make restitution for.
To endure against; stand or ward off; defend against; withstand; resist.
Offset; restitution.