ˈdespyüˌmāt, də̇ˈs- verb
( -ed/-ing/-s )
Etymology: Latin despumatus, past participle of despumare to skim off, from de- + spuma froth — more at spume
transitive verb
archaic : to clarify (as wine or honey) by removing a surface scum : skim
intransitive verb
archaic : to cast off a scum : work off impurities in foam or scum