chi·mae·ra 
(kī-mîrə, kĭ-)
(kī-mîrə, kĭ-)n.
1. Any of various deep-sea cartilaginous fishes of the order Chimaeriformes, having a large head and tapered body with a whiplike tail.
2. Variant of chimera.
[New Latin Chimaera, type genus, from Latin chimaera, chimera; see CHIMERA.]