spearhead

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

1. someone who leads or initiates an activity (attack or campaign etc.)
• Hypernyms:
leader
2. the leading military unit in an attack
• Topics:
military, armed forces, armed services, military machine, war machine
• Hypernyms:
military unit, military force, military group, force
3. the head and sharpened point of a spear
• Syn:
spearpoint, spear-point
• Hypernyms:
point
• Part Holonyms:
spear, lance, shaft, pike

II - verb

be the leader of (Freq. 1)
- She spearheaded the effort to find a cure for the disease
• Hypernyms:
head, lead
• Verb Frames:
- Somebody ----s something

• Từ đồng nghĩa / Synonyms:
  spearpoint, spear-point