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1. The innermost parts of a building, especially the sanctuary of a temple.
2. The most private or secret parts; recesses: the penetralia of the soul.

[Latin penetrālia, from neuter pl. of penetrālis, inner, from penetrāre, to penetrate; see penetrate.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


pl n
1. the innermost parts of a building
2. secret matters
[C17: from Latin, from penetrālis inner, from penetrāre to penetrate]
ˌpeneˈtralian adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌpɛn ɪˈtreɪ li ə)
1. the innermost parts or recesses.
2. the most private or secret things.
[1660–70; < Latin, n. use of neuter pl. of penetrālis inner =penetr(āre) to penetrate + -ālis -al1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


the innermost parts or deepest recesses of a place, thing, etc.
See also: Places
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.penetralia - the innermost parts
inside, interior - the region that is inside of something
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.