Main Entry: ar·row·head

Pronunciation: \ˈer-ō-ˌhed, ˈer-ə-, ˈa-rō-, ˈa-rə-\

Function: noun

Date: 14th century

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

[arrowhead illustration]