Definition of grandbabe in US English:

grandbabe

noun

  • A grandchild, especially an infant; = "grandbaby".

Origin

Late 18th century; earliest use found in Horace Walpole (1717–1797), author, politician, and patron of the arts. From grand + babe, after grandchild.

Pronunciation

grandbabe

/ˈɡran(d)beɪb/