am·phi·the·a·ter 
(ămfə-thē′ə-tər, ămpə-)
(ămfə-thē′ə-tər, ămpə-)n.
1. An oval or circular structure having tiers of seats rising gradually outward from a central open space or arena.
2. Geology A level area surrounded by upward sloping ground.
3. An upper, sloping gallery with seats for spectators, as in a theater or operating room.
[Middle English amphitheatre, from Latin amphitheātrum, from Greek amphitheātron : amphi-, amphi- + theātron, theater; see THEATER.]
am′phi·the·atric (-ătrĭk), am′phi·the·atri·cal adj.
am′phi·the·atri·cal·ly adv.
- Indo-European root: kreuə-
- Indo-European root: ksun
- Indo-European root: kwe
- Indo-European root: kwei-
- Indo-European root: kwei-
- Indo-European root: kweit-
- Indo-European root: kweiə-
- Indo-European root: kwel-
- Indo-European root: kwel-
- Indo-European root: kwen-
- Indo-European root: kwent(h)-
- Indo-European root: kwer-
- Indo-European root: kwes-
- Indo-European root: kwetwer-
- Indo-European root: kwo-
- Indo-European root: kwon-
- Indo-European root: kwrep-
- Indo-European root: kwr̥mi-
- Indo-European root: kwēt-
- Indo-European root: kā-
- Indo-European root: kō-
- Indo-European root: laks-
- Indo-European root: las-
- Indo-European root: lau-
- Indo-European root: leb-