Word
Kana: ぼんち Romaji: bonchi Level: N2

盆地

Meaning in English

basin (e.g., between mountains)

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Word context

What it means

盆地 means basin: a geographic lowland area surrounded by higher ground, forming a bowl-shaped depression that often collects water and supports unique ecosystems.

Main meanings

  • basin — bonchi, a bowl-shaped lowland surrounded by higher land
  • catchment context — bonchi, a natural water-convergence zone that shapes rivers and supports wetlands
  • land-use context — bonchi, areas commonly developed for settlements and agriculture due to water availability

How to use it

Used in formal geography, geology, and urban planning discussions to describe a natural basin and its implications for water management, agriculture, and settlement patterns; in everyday speech it appears mainly in educational or scientific contexts.

Variants and close terms

  • 低地 teichi — low-lying land
  • 谷地 tanichi — valley floor
  • 山地 sanchi — mountainous region (antonym)
  • 高地 kochi — high ground (antonym)

Composition

  • 盆: a container-like shape suggesting a bowl or tray
  • 地: land or ground; indicates terrain

Etymology

盆 (bon) tray, 地 (chi) land; combined in on'yomi to yield bonchi, a term borrowed from the Chinese pén dì for 'basin' and adapted into Japanese compounds.

Word class

Noun (名詞)

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