first cousin
Longman Dictionary of Contemporary English 5++LDOCE 5++ˌfirst ˈcousin noun [countable] SSFFAMILYa child of your aunt or uncle 堂兄 [弟,姐,妹];表兄[弟,姐,妹] SYN cousin
Examples from the Corpus
first cousin• His first cousin, Mariano Rivera, is a Yankee.ˌfirst ˈcousin nounChineseSyllable
Corpus uncle child or a your of aunt

