The pointed head, or end, of a spear.

the head and sharpened point of a spear

A spearhead is the head of a spear. Early spearheads were made of obsidian, flint, bone or simply a sharpened and fire-harded tip of the shaft; more effective spearheads are fashioned of metal.

Spearhead was a British far right-wing magazine edited by John Tyndall until his death in July 2005. Founded in 1964 by Tyndall, it was used to voice his grievances against the state of the United Kingdom. The magazine has not continued under new editorship, although a new article appeared on the magazine's website in October 2006.

Spearhead is a mini-album by Bolt Thrower. It is recorded at Sawmill studios, produced by Colin Richardson and Bolt Thrower, engineered by John Cornfield. Mixed at Fon studios September 1992, engineered by Alan Fisch and Steve Harris.

Spearhead was a British television series. Produced by Southern Television and broadcast on the ITV network, it ran for a total of three series and 19 episodes from 1978 to 1981. It featured the daily lives of a group of soldiers in 'B' Company, 1st Battalion Royal Wessex Rangers, a fictional British Army infantry regiment.

be the leader of; "She spearheded the effort to find a cure for the disease"

a nice little addon, it's more interesting

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

the leading military unit in an attack