cousin noun
ADJ. first (= the child of the brother or sister of one of your parents), second (= the child of a cousin of one of your parents) | distant, remote | close (figurative) These pigs are close cousins of the wild hog. | female, male | long-lost Completely out of the blue, she got a letter from her long-lost cousin in New York.
PHRASES cousin once, twice, etc. removed She's my first cousin once removed (= the daughter of my cousin).
You can also check other dicts: cousin (English, 中文解释 ), wordnet sense, Collins Definition