[ pen-i-trey-lee-uh ]
/ ˌpɛn ɪˈtreɪ li ə /

plural noun

the innermost parts or recesses of a place or thing.
the most private or secret things.

Origin of penetralia

1660–70; < Latin, noun use of neuter plural of penetrālis inner, equivalent to penetr(āre) to penetrate + -ālis -al1


pen·e·tra·li·an, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for penetralia

British Dictionary definitions for penetralia

/ (ˌpɛnɪˈtreɪlɪə) /

pl n

the innermost parts
secret matters

Derived forms of penetralia

penetralian, adjective

Word Origin for penetralia

C17: from Latin, from penetrālis inner, from penetrāre to penetrate
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012