(geology) A region of the Earth where one tectonic plate dives beneath another into the interior of the Earth.

(astronomy) The region of the Universe in alignment with the galactic plane of the Milky Way where few galaxies were initially seen due to dust interfering with the view of ground-based telescopes.

(geology) the layer of the Earth's crust, at the top of the asthenosphere, where most earthquakes originate

(informal, intransitive) To stop paying attention and think about something else, or to think about nothing

A region where war is ongoing. / A region where structures are damaged or in disarray, appearing similar to the effects of a military conflict.

An area within a port where goods may be temporarily stored without paying duty

(ice hockey) From one team's point of view, the area between the blue line of the other team's half of the rink and the end board behind the other team's goal.

(ice hockey) The zone between the blue line and the end board in a team's own end of the rink. The same area is the attacking zone for the opposing team.

(ice hockey) The ice between the opposing team's blue line and their end board.

(ice hockey) The ice between a team's own blue line and its end board.