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arrowhead

Saltos de línea: arrow|head
Pronunciación: /ˈarəʊhɛd
 
/

Definición de arrowhead en inglés:

sustantivo

1The pointed end of an arrow.
Example sentences
  • 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.
2 Geometry A quadrilateral in which one internal angle is more than 180°.
Example sentences
  • Thus, a square is convex, but a crescent quadrilateral (an angular boomerang or arrowhead shape with four vertices) is not.
3A Eurasian water plant with arrow-shaped leaves above the water surface.
  • Genus Sagittaria, family Alismataceae: several species
Example sentences
  • 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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