Any submarine plant or animal.
A kind of sandwich made in a long loaf of bread.
A boat that can go underwater.
A pitch delivered with an underhand motion.
A stowaway on a seagoing vessel.
Existing, relating to, or made for use beneath the sea.
Hidden or undisclosed.
Of a pitch, thrown with the hand lower than the elbow.
To sink or submerge oneself.
To torpedo; to destroy with a sudden sneak attack.
To operate or serve on a submarine.
To slide forwards underneath one's seat belt (during a crash or sudden stop).
A small nonmilitary, non-nuclear submarine for exploration.
A term used primarily by some navies for nuclear submarines, termed "true submersibles", because they cannot retroactively declare that their non-nuclear submarines should be called by a different name.
A very small "baby" submarine designed for specific localized missions, usually while tethered to a submarine or ship for life support and communications. Slang synonyms: midget-submarine, anchor.
A retroactive term used for non-nuclear submarines; nuclear submarines are termed "true submarines".
Able to be submerged.