What does "hatchet" mean?

Hatchet: Specifically, a tomahawk. Buried was the bloody hatchet. Longfellow. Hatchet face, a thin, sharp face, like the edge of a hatchet; hence: Hatchet-faced, sharp-visaged. Dryden. -- To bury the hatchet, to make peace or become reconciled. -- To take up the hatchet, to make or declare war. The last two phrases are derived from the practice of the American Indians.