<p><strong>noun</strong></p><ul><li>Also called first cousin: the son or daughter of an uncle or aunt.</li><li>second cousin, removed (def 2).</li><li>one related by descent in a diverging line from a known common ancestor, as from one's grandparent or from one's father's or mother's sister or brother.</li><li>a kinsman or kinswoman; relative.</li><li>a person or thing related to another by similar natures, languages, geographical proximity, etc.: Our Canadian cousins are a friendly people.</li><li>Slang: a gullible, innocent person who is easily duped or taken advantage of.</li><li>a term of address used by a sovereign in speaking, writing, or referring to another sovereign or a high-ranking noble.</li></ul>