noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A submersible submarine designed for drifting on sea currents in the middle depth layers of the ocean.

Etymology

From French mésoscaphe. From meso- + Ancient Greek σκάφη (skáphē, “little ship”). Coined by Jacques Piccard.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.