mermonster
nounEtymology From mer- + monster.
1
A monster of the sea; a sea-monster.
- It concerned a mermaid, a mermonster, and a giant turtle in a hokey love story and a murky plot.1980, Richard Meyers, The World of Fantasy Films:
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.