(nautical) The depth at which a submarine's pressure hull will collapse under external water pressure, causing the submarine to implode.

plural of operating depth

(nautical) The maximum depth at which a submarine is designed to be able to operate safely.

Third-person singular simple present indicative form of depth-charge

simple past tense and past participle of depth charge

present participle of depth-charge

present participle of depth charge

simple past tense and past participle of depth-charge

(baseball) A shift in the defensive alignment of the infielders towards home plate when there is a baserunner on first base, to increase the possibility of getting a double play.

(literally) In water so deep that one cannot stand and may be at risk of drowning. / (figuratively, idiomatic) In a situation which one is poorly prepared or unprepared to handle.