grandcat

plural grandcats

1. endearinghumorousA cat owned by one's child (especially when the latter is adult); a cat having a status comparable to a grandchild.

   This cat—my daughter's cat and my grandcat—arrived here weeks ago, caged and collared and thoroughly citified.

   2004, Ellen Goodman, “A Sense of Place”, in Paper Trail: Common Sense in Uncommon Times, New York, N.Y.: Simon & Schuster, →ISBN

   1 more example

   I'm heading to GR tomorrow to bring the cat to Mom/Maurice for a couple of weeks. I'm heading to Tokyo the week of July 11, so they have to take care of their grandcat!

   2006 July 1, Barbie Root, “July 2006”, in Life After Katrina: A Family's Story of Trial and Triumph, [Mustang, Okla.]: Tate Publishing & Enterprises, published 2009, →ISBN, page 325