The definition of invert is to turn something upside down or to put something into the opposite direction.(verb)
When you turn a cake upside down, this is an example of a situation where you invert.
See invert in Webster's New World College Dictionary
Origin: L invertere < in-, in, to, toward + vertere, to turn: see verse
See invert in American Heritage Dictionary 4
verb in·vert·ed, in·vert·ing, in·verts verb, transitive
Origin: Latin invertere
Origin: : in-, in; see in-2
Origin: + vertere, to turn; see wer-2 in Indo-European roots.
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