Main Entry: di·bu·caine Pronunciation: dI-'byü-"kAn, 'dI-" Function: noun : a local anestheticC20H29N3O2 that is used for temporary relief of pain and itching especially from burns, sunburn, insect bites, or hemorrhoids called also cinchocaine;—see NUPERCAINE
dibucaine di·bu·caine (dī-by&oomacr;'kān') n. A local anesthetic used topically on the skin and mucous membranes or administered by injection into the subarachnoid space to produce spinal anesthesia.