<p><strong>Noun</strong></p><ul><li>Any of certain bloodsucking nematode worms, as <em>Ancylostoma duodenale</em> and <em>Necator americanus</em>, parasitic in the intestine of humans and other animals.</li><li>A disease caused by hookworms, which may enter the body by ingestion or through the skin of the feet or legs, causing abdominal pain, nausea, and, if untreated, severe anemia.</li></ul>