Unfamiliar words, places, and sundry other references get added to the list with a view toward richer cultural and conversational engagement.

Recently Erased Ignorance
Ignorance Explained
1 acidly something incisive, biting, or sarcastic
2 louche disreputable or sordid in a rakish or appealing way
3 ducal of or relating to a duke or dukedom
4 doge the chief magistrate in the republics of Venice and Genoa
5 eyrie British spelling of AERIE: the nest of a bird (esp. bird of prey?) on a cliff or a mountaintop
6 purblind having impaired or defective vision. from the adverb PURE 'utterly' + BLIND
7 rapine POETIC/LITERARY the violent seizure of someone's property.
8 garrulous excessively talkative, esp. on trivial matters
9 muzhik a Russian peasant
10 effluvium an unpleasant or harmful odor, secretion, or discharge

The full list can be viewed here.

Definitions appearing on this page are generally either verbatim or derived from Merriam-Webster's College Dictionary, Tenth Edition, 1999 or its online counterpart.