1.  reich(n = noun.group) - the German state;
is a kind of body politic, commonwealth, country, land, nation, res publica, state
has particulars: hohenzollern empire, second reich, nazi germany, third reich

2.  reich(n = noun.person) wilhelm reich - Austrian born psychoanalyst who lived in the United States; advocated sexual freedom and believed that cosmic energy could be concentrated in a human being (1897-1957);
is a kind of analyst, psychoanalyst

3.  reich(n = noun.person) stephen michael reich, steve reich - United States composer (born in 1936);
is a kind of composer

reich, n. the former German State, esp. the Third Reich.

Idiom:
First Reich the Holy Roman Empire, 962-1806. Second Reich the German Empire 1871-1918. Third Reich the Nazi regime, 1933-45.

Usage:
Only Third Reich is normal historical terminology.

Etymology:
G, = empire

second reich, stephen michael reich, steve reich, third reich, wilhelm reich