Noun
half cousin (plural half cousins)
The son or daughter of one's half-uncle or half-aunt. A relative with one common grandparent.
half-cousin (plural half-cousins)
The child of one's parent's half-sibling.
half-cousin
He studied the work of his older half-cousin Charles Darwin about biological evolution. Source: Internet
He has called it a "half-cousin to a novel" and "a book of stories pretending to be a novel". Source: Internet
Her half-cousin is actress Katherine Moennig (through her mother). Source: Internet
He was cousin of Douglas Strutt Galton and half-cousin of Charles Darwin and both families boasted Fellows of the Royal Society and members who loved to invent in their spare time. Source: Internet
London: J.M. Dent & Co. He was Charles Darwin's half-cousin. Source: Internet