minisub
mi·ni·sub
noun
1.
submersible vessel for one or two persons; for naval operations or underwater exploration
Origin
From mini- + sub.
Related words
Word family
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.