Definition

1. Noun:
   • Promontory; headland: A narrow strip of land that projects into a body of water, typically the sea. This is the primary geographical meaning.
   • Shoal; sandbank: A submerged or partly exposed ridge of sand or sediment in a river or at a river mouth, making the water shallower. This meaning is common in fluvial contexts.
   • Alluvial strip: A strip of alluvial land (sediment deposited by flowing water) along a riverbank or at a river's mouth.

Usage Examples

• Noun (Promontory/Headland):

  • Con tàu đi vòng qua doi đất nhô ra biển. (The ship sailed around the promontory jutting out to sea.)
  • Họ dựng ngọn hải đăng trên doi. (They built the lighthouse on the headland.)

• Noun (Shoal/Sandbank):

  • Tàu thuyền cần cẩn thận khi đi qua doi cát ở cửa sông. (Boats need to be careful when passing the sandbank at the river mouth.)
  • Mực nước tại doi này rất nông. (The water level at this shoal is very shallow.)

• Noun (Alluvial strip):

  • Người dân trồng dưa trên doi phù sa ven sông. (The people grow melons on the alluvial strip along the river.)

Advanced Usage

• "doi cát": sand spit; sandbar. Specifically refers to a doi formed primarily of sand.

  • Bãi biển có một doi cát dài. (The beach has a long sand spit.)

• "doi đất": headland; promontory. Specifically refers to a doi formed of land/earth.

  • Ngọn hải đăng được xây trên một doi đất. (The lighthouse was built on a headland.)

Variants and Related Words

• Bãi bồi (n): Alluvial flat; accretion land. A broader, often larger area of land formed by sediment deposit.
• Cồn (n): Islet; small mound (often sandy). Can be similar but often implies a more isolated, mound-like feature, sometimes in a river.
• Mũi đất (n): Cape; point. A more common general term for a point of land extending into water, often larger than a .

Synonyms

• Mõm đất: Headland, promontory (less common).
• Bãi nông: Shoal, shallow area.

Related Phrases

• Nằm trên doi: To be located on a promontory/shoal.
  • Ngôi nhà nằm trên doi, có tầm nhìn ra biển. (The house is located on the promontory, with a view of the sea.)

Related Idioms

(This word is primarily a geographical term and is not commonly used in idiomatic expressions.)

noun

1. promontory; headland