Cousin-uncle
Full definition of cousin-uncle
Noun
cousin-uncle
(plural cousin-uncles)- Male first cousin of one's parent; one's male first cousin once removed.Walter is my dad's first cousin. That makes Walter my cousin-uncle. Jack is my mother's first cousin, so for me he is another cousin-uncle.
Usage notes
The terms cousin-uncle and cousin-aunt are used among the Mennonites, and in India and Pakistan.