資料來源 : pyDict

侄孫;侄外孫

資料來源 : Webster's Revised Unabridged Dictionary (1913)

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

資料來源 : WordNet®

grandnephew
     n : a son of your niece or nephew [syn: {great-nephew}]