The Collaborative International Dictionary of English v.0.48:
abridgement \abridgement\ n. 1. a shortened version . Syn: condensation, abridgment [WordNet 1.5]WordNet (r) 3.0 (2006):
abridgement n 1: a shortened version of a written work [syn: condensation, abridgement, abridgment, capsule]