Definify.com
Webster 1913 Edition
Amphitheatre
{
, Amˊphi-the′a-ter
,Amˊphi-the′a-tre
, }Noun.
1.
An oval or circular building with rising tiers of seats about an open space called the arena.
☞ The Romans first constructed amphitheaters for combats of gladiators and wild beasts.
2.
Anything resembling an amphitheater in form; as, a level surrounded by rising slopes or hills, or a rising gallery in a theater.