Com*pen"di*um (?), n.; pl. E. Compendiums (#), L. Compendia (#). [L. compendium that which is wieghed, saved, or shortened, a short way, fr. compendere to weigh; com- + pendere to weigh. See Pension, and cf. Compend.]
A brief compilation or composition, containing the principal heads, or general principles, of a larger work or system; an abridgment; an epitome; a compend; a condensed summary.
A short system or compendium of a sience.
Syn. -- See Abridgment.
© Webster 1913.