submarine
/sʌb.məˈɹin/ adjective B2- Being, relating to, or made for use underwater, especially beneath the sea. · Near-synonym: submerged (synonymous in "being underwater" sense)
- Hidden or undisclosed. · a submarine patent
- Of a pitch, thrown with the hand lower than the elbow.
From the library
The papers which this wretched youth had in his pocket were the plans of the Bruce-Partington submarine.”
On the other, the plans of the Bruce-Partington submarine are presumably already on the Continent.
“Do you mean to say that anyone holding these three papers, and without the seven others, could construct a Bruce-Partington submarine?”
The recurring words, “water pressure” and “pressure to the square inch” suggested some possible relation to a submarine.
Other matches
Learn submarine in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.