干潟

1. Origins, structure, and basic meaning

• Structure: In 干潟 (ひがた), dry 干 and lagoon 潟 combine to denote a tidal flat.
• Basic usage: 干潟 is a shallow muddy or sandy coastal area exposed at low tide and covered at high tide.

2. Common pitfalls and similar expressions

• Tidal flat exposed at low tide
  • It differs from a beach that remains above water or wetlands in general.