In*law" (?), v. t. [In + law. Cf. Inlagation.] Old Eng.Law
To clear of outlawry or attainder; to place under the protection of the law.
<-- In"-law. A person who is related by marriage, as distinguished from a blood relative; esp. mother-in-law, father-in-law, brother-in-law, sister-in-law -->
© Webster 1913.