Adulterine
Adulterine ({not transcribed}) , adjective
[Latin adulterinus, from adulter.]
Proceeding from adulterous intercourse. Hence: Spurious; without the support of law; illegal.
When any particular class of artificers or traders thought proper to act as a corporation without a charter, such were called adulterine guilds.
Adulterine , noun
An illegitimate child. [Rare]