Search Result for "spearhead": 
Wordnet 3.0

NOUN (3)

1. someone who leads or initiates an activity (attack or campaign etc.);

2. the leading military unit in an attack;

3. the head and sharpened point of a spear;
[syn: spearhead, spearpoint, spear-point]


VERB (1)

1. be the leader of;
- Example: "She spearheaded the effort to find a cure for the disease"



The Collaborative International Dictionary of English v.0.48:

Spearhead \Spear"head`\, n.
   The pointed head, or end, of a spear.
   [1913 Webster]


WordNet (r) 3.0 (2006):

spearhead
    n 1: someone who leads or initiates an activity (attack or
         campaign etc.)
    2: the leading military unit in an attack
    3: the head and sharpened point of a spear [syn: spearhead,
       spearpoint, spear-point]
    v 1: be the leader of; "She spearheaded the effort to find a
         cure for the disease"