The Collaborative International Dictionary
Overfreight
Overfreight \O`ver*freight"\, v. t. [imp. & p. p. Overfreighted ( Overfraught, obs.); p. pr. & vb. n. Overfreighting.] To put too much freight in or upon; to load too full, or too heavily; to overload.
Wiktionary
overfreight
vb. (context transitive English) To overload with freight.