Co-grandfather-in-law Definition
noun
(rare, nonstandard) The grandfather of one's grandson- or granddaughter-in-law; that is, the grandfather of one spouse in relation to the grandparents of the other spouse.
(in the plural) The relationship between men whose grandchildren marry each other; the grandfather of the bride vis-à-vis the grandfather of the groom.
Wiktionary
Other Word Forms of Co-grandfather-in-law
Noun
Singular:
co-grandfather-in-lawPlural:
co-grandfathers-in-lawOrigin of Co-grandfather-in-law
-
co- + grandfather-in-law.
From Wiktionary
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