half-cousin
nounEtymology From half- + cousin.
1
The child of one's parent's half-sibling.
half cousin
nounalso spelled half-cousin1
The son or daughter of one's half-uncle or half-aunt. A relative with one common grandparent.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — authors: page histories for half cousin and half-cousin.