delta

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a low triangular area of alluvial deposits where a river divides before entering a larger body of water (Freq. 1)
- the Mississippi River delta
- the Nile delta
• Hypernyms:
geological formation, formation, alluvial sediment, alluvial deposit, alluvium, alluvion
2. an object shaped like an equilateral triangle
• Hypernyms:
equilateral triangle, equiangular triangle
3. the 4th letter of the Greek alphabet
• Hypernyms:
letter, letter of the alphabet, alphabetic character
• Member Holonyms:
Greek alphabet