Definition of mother–son in US English:

mother–son

adjective

  • 1Originally and chiefly Social Sciences. Of, relating to or designating the relationship between a mother and her son.

  • 2Acupuncture. Designating the law governing the relationships between any two major organs of the body in the five element cycle.

Origin

Early 20th century; earliest use found in Brain: a journal of neurology. From mother + son.

Pronunciation

mother–son

/ˌmʌðəˈsʌn/