ENGLISH
REFERENCE

basin

n.
US //ˈbeɪsən// UK //bˈeɪsən// basin
  1. 1 washing bowl (n.)
    B1 Intermediate

    a large, open bowl used for washing your hands or face, often found in a bathroom.

    a wide, shallow vessel used for holding water for washing; in modern contexts, often refers to a sink or washbasin.

    Example

    She filled the basin with warm water to wash her face before bed.

    Example

    The guest bathroom featured a hand-carved stone basin that complemented the rustic aesthetic of the renovated farmhouse.

  2. 2 drainage area (n.)
    B2 Upper Intermediate Technical Science

    an area of land where all the water from rain or melting snow flows into one river.

    the entire geographical area drained by a river and its tributaries.

    Example

    The Amazon basin is home to the largest rainforest in the world.

    Example

    Environmental scientists are monitoring the pollution levels across the entire river basin to identify the primary sources of industrial runoff.

Show 2 more sensesShow fewer
  1. 3 geological depression (n.)
    C1 Advanced Technical Science

    a low area of land or a dip in the earth's surface.

    a large-scale structural depression in the Earth's crust, often where sediments have accumulated over millions of years.

    Example

    The desert basin was surrounded by high mountains on all sides.

    Example

    The sedimentary basin contains vast deposits of limestone, suggesting the region was once covered by a shallow prehistoric sea.

  2. 4 sheltered water area (n.)
    B2 Upper Intermediate

    a part of a harbour or dock where the water is kept still for boats.

    an enclosed or partly enclosed area of water, such as a dock, where the water level is often controlled.

    Example

    The small fishing boats were safely tied up in the yacht basin.

    Example

    The city council approved plans to convert the old industrial basin into a modern marina with floating docks and waterfront dining.

Origin

Etymology tree Proto-Celtic *baskis Gaulish *baskisder. Vulgar Latin bacca Vulgar Latin *baccinum Old French bacinbor. Middle English basyn English basin From Middle English basyn, from Old French bacin, from Vulgar Latin *baccinum (“wide bowl”).

© 2026 English Reference