0 grandchildren grandchildren [noun] the son or daughter of one of your children Persian equivalent: Click here. Theme, CEFR level & Tags Theme: family relations in generalLevel: A2 (Elementary)Region: American EnglishBritish English Oxford Essential Dictionary grandchild noun (plural grandchildren ) the child of your son or daughter Longman Dictionary of Contemporary English grandchild grand‧child /ˈɡræntʃaɪld/ BrE AmE noun (plural grandchildren /-tʃɪldrən/) [countable] the child of your son or daughter Oxford Advanced Learner's Dictionary grandchild grand·child [grandchild grandchildren] [ˈɡræntʃaɪld] [ˈɡræntʃaɪld] noun (pl. grand·chil·dren) a child of your son or daughter Cambridge Advanced Learner's Dictionary Cambridge Advanced Learner's Dictionary - 4th Edition grandchild / ˈɡræn.tʃaɪld / noun [ C ] ( plural grandchildren ) A2 the child of a person's son or daughter © Cambridge University Press 2013 Collins COBUILD Advanced Learner’s English Dictionary grandchild /græntʃaɪld/ (grandchildren) Someone’s grandchild is the child of their son or daughter. Mary loves her grandchildren. N-COUNT: oft poss N Merriam-Webster's Advanced Learner's Dictionary Merriam-Webster's Advanced Learner's Dictionary: grandchild grand·child /ˈgrændˌʧajəld/ noun, pl -chil·dren /-ʧɪldrən/ [count] : a child of your son or daughter American EnglishBritish EnglishA2 (Elementary)grandchildrennoun