Food purchased to be eaten off-premises (takeout/takeaway), or the item itself. In Japanese often expressed as 持ち帰り; used as a suru-verb as well.
今日は忙しいからランチはテイクアウトにしよう。
I'm busy today, so let's get takeout for lunch.
この店はテイクアウト専用の窓口があります。
This shop has a counter dedicated to takeout orders.
ピザをテイクアウトで頼んだら、割引が適用された。
When I ordered pizza for takeout, a discount was applied.