under or beneath that.
under the authority of or in accordance with that.
Origin of thereunder
before 900; Middle English therunder, Old English thǣrunder.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for thereunder
Historical Examples of thereunder
For by them, we can at least get hold of him, and all points in his prior antics can be thereunder disposed of.
Thereunder crept Ulysses, and found great store of leaves, shelter enough for two or three, even in a great storm.
They wore turbans too, and thereunder peered out their elfin faces at me,—faces with protruding lower-jaws and bright eyes.
British Dictionary definitions for thereunder
(in documents, etc) below that or it; subsequently in that; thereafter
under the terms or authority of that
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
Word Origin and History for thereunder
Online Etymology Dictionary, © 2010 Douglas Harper