minisub

[ min-ee-suhb ]

noun
  1. a small submarine, holding only one or a few persons, used in naval operations, underwater exploration, or conducting underwater experiments.

Origin of minisub

1
First recorded in 1955–60; mini- + sub

Words Nearby minisub

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024