'Grandnephew' definitions:

Definition of 'grandnephew'

noun

A son of your niece or nephew [syn: great-nephew, grandnephew]

Definition of 'Grandnephew'

From: GCIDE

Grandnephew \Grand"neph"ew\, n. The grandson of one's brother or sister. [1913 Webster]

A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z