Basin

Basin may refer to:

Geography and geology

Depression (geology)
- Back-arc basin, a submarine feature associated with island arcs and subduction zones
- Drainage basin (hydrology), a topographic region in which all water drains to a common area
- Endorheic basin, a closed topographic low area with no drainage outlet
- Impact basin, a large impact crater
  - Lunar basin, an impact crater that has been flooded with basalt, forming a mare
- Retention basin, stormwater runoff to prevent flooding and downstream erosion which includes a permanent pool of water
- Detention basin, a man-made basin used to temporarily store surplus water from rivers.
- Sedimentary basin (sedimentology), a low and usually sinking region that is filled with sediments from adjacent higher areas
- Structural basin, rock strata formed by tectonic warping of previously flat-lying strata
  - Oceanic basin, a structural basin covered by seawater
  - Pull-apart basin, a section of crust separated by the action of two strike-slip faults
- Tidal basin, an area that fills with water at high tide
Tropical cyclone basins, oceans or areas of oceans used for classifying tropical cyclones

Bowl, a round container
- Pudding basin, a bowl in which raw pudding dough or batter is placed for cooking
Emesis basin, a kidney-shaped bowl used in hospitals etc. for vomit
Sink, a plumbing fixture
Toilet basin, an alternate name for the bowl (pan) of a flush toilet
Wash basin, a sink or bowl to contain water for cleaning hands and other minor washing
- Basin stand or washstand, an obsolete piece of furniture to hold a wash basin, jug, towel, etc.

Basin, Alabama
Basin, California, an unincorporated community now named Huntington Lake, California
Basin Mountain (California)
Basin, Mississippi
Basin, Montana
Basin, Wyoming, seat of Big Horn County
Basin Mountain (New York), a summit of the Adirondack Park
Basin Street, New Orleans, Louisiana
Mill Basin, Brooklyn, in New York
The Basin, a river pothole in Franconia Notch State Park

"Basin" (chanson de geste), a poem about Charlemagne's childhood
Basin, the area of a dry dock which can be flooded and drained
Basin of attraction, in mathematics, an area of a nonlinear system with an attractor
Canal basin, a docking section of canal wide enough to allow for uninterrupted canal traffic
Basin (horse), American Thoroughbred racehorse
Basin (surname)
Water resource basin, a subdivision of the U.S. hydrologic unit system