dive

(noun) a cheap disreputable nightclub or dance hall. Synonyms: honkytonk.

(noun) a headlong plunge into water. Synonyms: diving.

(noun) a steep nose-down descent by an aircraft. Synonyms: nose dive, nosedive.

(noun) a distinguished female operatic singer; a female operatic star. Synonyms: prima donna, diva.

(verb) drop steeply. Synonyms: plunge, plunk. Example: "The stock market plunged."

(verb) plunge into water. Example: "I was afraid to dive from the board into the pool."

(verb) swim under water. Example: "The children enjoyed diving and looking for shells."