spearhead
//ˈspɪəˌhɛd//
Noun
spearheadSingular
spearheadsPlural
1
The pointed head or tip of a spear.
The ancient spearhead was made of bronze.
2
A person or group that leads an attack, movement, or campaign.
She became the spearhead of the environmental movement.
Verb
spearheadInfinitive
spearheadPresent tense
spearheadedPast tense
spearheadedPast participle
spearheadingPresent participle
spearheadsThird-person singular
1
To lead or initiate an attack, campaign, or movement.
She spearheaded the campaign to protect the environment.