knoll

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a small natural hill (Freq. 1)
• Syn:
mound, hillock, hummock, hammock
• Derivationally related forms:
mound (for: mound)
• Hypernyms:
hill
• Hyponyms:
anthill, formicary, kopje, koppie, molehill

• Từ đồng nghĩa / Synonyms:
  mound, hillock, hummock, hammock