Definition of "arrowhead" []

• The pointed striking tip of an arrow, typically a knapped, wedge-shaped stone or a fitted metal cap. (noun)
• Something, such as a directional mark on a sign or drawing, having the shape of an arrowhead. (noun)
• Any of various aquatic or wetland perennial plants of the genus Sagittaria, having arrowhead-shaped leaves and panicles of white, unisexual flowers. (noun)
• The edible tubers of the Eurasian species S. sagittifolia or of the North American species S. latifolia. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The arrowhead is NOT authorized on the Silver Star."
• "The arrowhead is spreading its creamy clumps of flower and the blackberries are blooming in the thickets."
• "Myanmar is a lynchpin - or "arrowhead" - for the "Look East" policy as it represents the land bridge between India and ASEAN."