n. An obiter dictum; a statement from the bench commenting on a point of law which is not necessary for the judgment at hand and therefore has no judicial weight, as opposed to ratio decidendi.
the GNU version of the Collaborative International Dictionary of English
ad. In passing; incidentally; by the way.
The Century Dictionary and Cyclopedia
In passing; by the way; by the by; incidentally.
Word Usage
"First, the Board has stated, in obiter dicta, on several occasions that the Private Copying regime legalizes copying for the private use of the person making the copy, regardless of whether the source is non-infringing or not."