spearhead

(-hed′)

noun

  1. the pointed head of a spear
  2. the leading person, part, or group in an endeavor, esp. in a military attack

transitive verb

to take the lead in (an attack, etc.)

See spearhead in American Heritage Dictionary 4

noun
  1. The sharpened head of a spear.
  2. a. The leading forces in a military thrust.
    b. The driving force in a given action, endeavor, or movement.
transitive verb spear·head·ed, spear·head·ing, spear·heads
To be the leader of (a movement, for example): “spearheaded the effort to offer classes in settlement houses [and] provide lecturers to women's clubs” (Catherine Clinton).

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