Definition of arrowhead
1
: a wedge-shaped piercing tip usually fixed to an arrow
2
: something resembling an arrowhead
3
: any of a genus (Sagittaria) of marsh or aquatic plants of the water-plantain family with leaves shaped like arrowheads
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Merriam-Webster unabridged
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Time Traveler for arrowhead
The first known use of arrowhead was in the 14th century
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