Plural of arrowhead; the pointed tips of arrows, or objects shaped like arrow tips, including a type of aquatic plant.
Compound noun from arrow + head, with -s pluralization. Arrowhead can refer to projectile points (archaeological artifacts), or the aquatic plant genus Sagittaria whose leaves resemble arrow points.
Archaeologists find thousands of arrowheads that tell stories—the style changed over time, the material shows trade routes, and they're one of humanity's first precision tools.
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