Definition of: despumate

(des′py·māt, di·spy′māt) v. ·mat·ed, ·mat·ing v.t.
1. To skim.
2. To throw off as scum.
—v.i.
3. To throw or work off impurities in froth or scum. [<L despumatus, pp. of despumare <de- away + spumare skim <spuma scum]
—des′pu·ma′tion noun