The Collaborative International Dictionary of English v.0.48:
Embarkment \Em*bark"ment\, n. [Cf. F. embarquement.] Embarkation. [R.] --Middleton. [1913 Webster]WordNet (r) 3.0 (2006):
embarkment n 1: the act of passengers and crew getting aboard a ship or aircraft [syn: boarding, embarkation, embarkment] [ant: debarkation, disembarkation, disembarkment]