(aviation) a volume of controlled airspace set up at the confluence of airways in the vicinity of one or more major airports to protect traffic climbing out from and descending into the airports

(geometry) The sum of the areas of the lateral (vertical) faces of a cylinder, cone, frustum, or the like. / (medicine, dated) A particular part of the medulla oblongata.

(computing, graphical user interface) An area of the taskbar used for icons and alerts.

An Oceanic language of the Solomon Islands.

plural of area rug

An urban area of North Rhine-Westphalia, Germany; the largest urban agglomeration in Germany.

Asking if the listener is OK (e.g. not hurt).

Used to ask whether the interlocutor does or doesn't have a (romantic) partner.

(informal) A greeting roughly equivalent to how are you.

Used to ask what the interlocutor is currently doing.