IMPOS'THUME, n. impos'tume. [This word is a corruption of apostem, L. apostema; Gr. to separate, to withdraw, or to stand off; to stand.]

An abscess; a collection of pus or purulent matter in any part of an animal body.

[This word and its derivatives, being mere corruptions, might well be suffered to pass into oblivion.]

IMPOS'THUME, v.i. The same as imposthumate.