serpentcommon nounproper nounproper nounverbEtymologyexpandfrom Latin serpens, present participle of the verb serpo ('to crawl, to creep on the ground').Definitions1. Third person plural of the indicative present of serper.expand2. Third person plural of the subjunctive present of serper.expandSee alsoserpent (cn.) Serpent (pn.) Serpents (pn.) serpents (cn.)