De`fal*ca"tion (?), n. [LL.
defalcatio: cf. F. défalcation.]
1. A lopping off; a diminution; abatement;
deficit. Specifically: Reduction of a claim by deducting a
counterclaim; set- off. Abbott.
2. That which is lopped off, diminished, or
abated.
3. An abstraction of money, etc., by an
officer or agent having it in trust; an embezzlement.