[{"Bold_text": "noun", "List Items": ["the head or tip of an arrow, usually separable from the shaft and conventionally wedge-shaped.", "anything resembling or having the conventional shape of an arrowhead.", "Also calledswamp po·ta·to[swomp, p, uh, -tey-toh, p, uh, -tey-t, uh].any aquatic or bog plant of the genus Sagittaria,having usually arrowhead-shaped leaves and clusters of white flowers.", "any of several other plants having arrowhead-shaped leaves.", "the dartlike form in an egg-and-dart ornament."]}]