outwall

From out- +‎ wall.

• IPA^(key): /ˈaʊtwɔːl/

outwall (plural outwalls)

1. An exterior or outer wall.
2. (obsolete, figurative) External appearance.
   • c. 1603–1606, William Shakespeare, “The Tragedie of King Lear”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act III, scene i]:

     I am much more
     Then my out-wall; open this Purse, and take
     What it containes

• “outwall”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.