GREAT-


Meaning of GREAT- in English

great- /ɡreɪt/ BrE AmE prefix

1 . great-grandfather/great-grandmother/great-aunt/great-uncle the ↑ grandfather , ↑ grandmother etc of your parents

2 . great-grandchild/great-granddaughter etc the GRANDCHILDREN of your child

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.