“+ intransitive verb
Etymology: inter- + marry
1.
a. : to marry each other — used of a couple or of one of the contracting parties
statute legitimatizing children whose parents intermarried after their birth — Morris Ploscowe
b. : to marry within a group
the deaf are likely to intermarry — H.J.Baker
2. : to become connected by marriage between their members : give and take mutually in marriage — used of families, castes, social or religious or ethnic groups or of their members
if a peeress by marriage should afterwards intermarry with a commoner — T.E.May