To engage in the sport of skydiving, To lunge or leap headfirst, To rush headlong and vanish into something, transitive verb_ rare To explore by diving; to plunge into, obsolete To plunge (a person or thing) into water; to dip; to duck, noun_ A lunge or a headlong jump, A plunge headforemost into water, the act of one who dives, literally or figuratively, Plural form of diva

To color or dye by immersing, To investigate a subject superficially; dabble, To decline slightly and usually temporarily, noun_ A brief plunge or immersion, especially a quick swim, A sharp downward course; a drop, A hollow or depression