merbaby

plural merbabies

1. A baby mermaid or merman.

   But Anna held the merbaby tight and carried her towards the sea.

   2009, Penny Kendal, Merbaby, Evans Brothers Limited, →ISBN, page 35

   2 more examples

   "She should have stayed in the ocean where she belonged. She could have married some nice young merman and had some cute little merbabies and lived a long, happy life—"

   1997, Elizabeth Lane, The Tycoon and the Townie, Harlequin, →ISBN

   There were mermaids with gold chains around slinky long tails, swimming along with little merchildren. One had a merbaby on her back, the tiniest little pink tail sticking out from under its sling.

   2003, Liz Kessler, The Tail of Emily Windsnap, Scholastic, →ISBN, page 57