past participle

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A verb form indicating past or completed action or time that is used as a verbal adjective in phrases such as finished work and baked beans and with auxiliaries to form the passive voice or perfect and pluperfect tenses in constructions such as The work was finished and She had baked the beans.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun grammar A participle indicating a completed action or state.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a participle that expresses completed action