co-parent-in-law

== English == === Etymology === From co- +‎ parent-in-law or co-parent +‎ -in-law. === Noun === co-parent-in-law (plural co-parents-in-law) A parent of one's son- or daughter-in-law, that is, a parent-in-law of one's son or daughter. ==== Usage notes ==== Rare in conversation, especially in the singular form, the generic "in-laws" is generally used, with context left to disambiguate. If grandchildren are born, the term co-grandparents may be used if the focus is on the relationship through the grandchildren rather than though the married couple. ==== Synonyms ==== co-grandparent ==== Coordinate terms ==== co-mother-in-law co-father-in-law ==== Related terms ==== co-in-law co-brother-in-law co-sister-in-law co-parents (divorced or separated) ==== Translations ====