1The pointed end of an arrow.
- Flint arrowheads were shaped to a point and inserted into a slot and tied with sinew to the front of the arrow.
- Though she hated even the sight of the long bow and pointed arrowheads, she understood from Adam's words that she must forget her dislike.
- Primitive man started with a arrowhead that was hardened by burning the end of the shaft slightly, then sharpened by shaping the burned end.
2An aquatic or semiaquatic plant with arrow-shaped leaves and three-petaled white flowers.
- Genus Sagittaria, family Alismataceae: several species, in particular the common broad-leaved arrowhead S. latifolia.
- Bog plants, also known as emergent and marginal plants, include some hardy types such as pickerel weed, arrowheads, cattails and yellow water iris; and shorter species including golden-club, parrot's feather and spike rush.
- Among them are arrow arum, bull-tongue arrowhead, pickerelweed, water lettuce, white water lily, yellow water lily, and the invasive alligator weed.
- Wetland communities include, in addition to stands of soft-stem bulrush, very marshy areas with water plantain and broad-leaved arrowhead, two closely related species whose flowers have three white petals.
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