grandnephew
[ gran-nef-yoo, -nev-yoo, grand- ]
/ ˈgrænˌnɛf yu, -ˌnɛv yu, ˈgrænd- /
noun
a son of one's nephew or niece.
Words nearby grandnephew
grandmaster,
grandmother,
grandmother clock,
grandmother's clock,
grandmotherly,
grandnephew,
grandniece,
grandpa,
grandpapa,
grandpappy,
grandparent