名詞 arrowhead:

1. the pointed head or striking tip of an arrow

ar.row.head

n.（名詞）
The pointed, removable striking tip of an arrow.
箭頭： 箭的尖狀，可拆裝能擊傷的尖頭
Something, such as a mark indicating a limit on a drawing, that is shaped like the head of an arrow.
箭頭：形狀像箭頭的東西，如圖中指示范圍限制的符號(hào)

Any of various aquatic or wetland perennial plants of the genusSagittaria, having arrowhead-shaped leaves and panicles of white, unisexual flowers.
慈菇：一種慈菇屬 水生或沼澤地生長(zhǎng)的多年生植物，有箭頭狀葉子和白色的雌雄異花的圓錐花序
The edible tubers of the Eurasian speciesS. sagittifolia or of the North American species S. latifolia.
慈菇，寬葉慈菇：歐亞種植物的可食用塊莖慈菇 或北美種植物的可食用塊莖 寬葉慈菇