Webster’s Revised Unabridged Dictionary · 1913
Dive
Dive (dīv), v. i. [imp. & p. p. Dived (dīvd), colloq. Dove (dōv), a relic of the AS. strong forms deáf, dofen; p. pr. & vb. n. Diving.] [OE. diven, duven, AS. dȳfan to sink, v. t., fr. dūfan, v. i.; akin to Icel. dȳfa, G. taufen, E. dip, deep, and perh. to dove, n. Cf. Dip.] 1. To plunge into water head foremost; to thrust the body under, or deeply into, water or other fluid.
It is not that pearls fetch a high price because men have dived for them. Whately.
☞ The colloquial form dove is common in the United States as an imperfect tense form.
All [the walruses] dove down with a tremendous splash. Dr. Hayes.
When closely pressed it [the loon] dove . . . and left the young bird sitting in the water. J. Burroughs.
2. Fig.: To plunge or to go deeply into any subject, question, business, etc.; to penetrate; to explore. South.
Dive (dīv), v. t. 1. To plunge (a person or thing) into water; to dip; to duck. [Obs.] Hooker.
2. To explore by diving; to plunge into. [R.]
The Curtii bravely dived the gulf of fame. Denham.
He dives the hollow, climbs the steeps. Emerson.
Dive, n. 1. A plunge headforemost into water, the act of one who dives, literally or figuratively.
2. A place of low resort; a dispreputable bar or nightclub; a dingy hotel; a joint. [Slang]
The music halls and dives in the lower part of the city. J. Hawthorne.