- the sharp-pointed head that forms the piercing end of a spear.
- any person, contingent, or force that leads an attack, undertaking, etc.: Cuba was the spearhead of the independence movement within Latin America.
- to lead or initiate (an undertaking): She is spearheading an ambitious research project whose results may be used by NASA.
- the pointed head of a spear
- the leading force in a military attack
- any person or thing that leads or initiates an attack, a campaign, etc
- to lead or initiate (an attack, a campaign, etc)
