bathyscaph

/ -ˌskæf; ˈbæθɪˌskæf; ˈbæθɪˌskeɪf; ˈbæθɪˌskæp /

noun

1. a submersible vessel having a flotation compartment with an observation capsule underneath, capable of reaching ocean depths of over 10 000 metres (about 5000 fathoms)

bathyscaph

1. A deep-sea research vessel that carries a crew and is free to maneuver independently.

Word History and Origins

Origin of bathyscaph¹

C20: from bathy- + -scaph , from Greek skaphē light boat