What does adulterine mean?
The definition of adulterine
A*dul”ter*ine, a.
Etym: [L. adulterinus, fr. 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. Adam Smith.

A*dul”ter*ine, n.
An illegitimate child. [R.]