eMule is a free peer-to-peer file sharing application for Microsoft Windows. Started in May 2002 as an alternative to eDonkey2000, eMule now connects to both the eDonkey network and the Kad network. Often used by clients looking for extremely rare content, the distinguishing features of eMule are the direct exchange of sources between client nodes...
• (v. t.) To emulate.
Em'ule transitive verb [ French émuler . See Emulate .] To emulate. [ Obsolete] ' Emuled of many.' Spenser. 
emule To emulate.