plural of submarine

Third-person singular simple present indicative form of submarine

Existing, relating to, or made for use beneath the sea. / Hidden or undisclosed. / (baseball) Of a pitch, thrown with the hand lower than the elbow.

A boat that can go underwater. / A kind of sandwich made in a long loaf of bread. / (baseball) Pitch delivered with an underhand motion. / Any submarine plant or animal.

(intransitive) To operate or serve on a submarine. / (transitive) To torpedo; to destroy with a sudden sneak attack. / (intransitive, sometimes figuratively) To sink or submerge oneself.

A member of the crew of a submarine. / (US, baseball) A pitcher that throws with an underhand motion.

plural of submariner

present participle of submarine

The design, construction and use of submarines

Tending to strike unexpectedly, in the fashion of one who submarines