Spearhead

['spɪəhed] or ['spɪr'hɛd]

Definition

(noun.) the head and sharpened point of a spear.

(noun.) the leading military unit in an attack.

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

(verb.) be the leader of; 'She spearheaded the effort to find a cure for the disease'.

Checked by Leon--From WordNet

Definition

(n.) The pointed head, or end, of a spear.

Inputed by Jackson