/ Dictionary / Index P paracentesis: Meaning and Definition of Find definitions for: par•a•cen•te•sis Pronunciation: (par"u-sen-tē'sis), [key] — pl. -ses puncture of the wall of a cavity to drain off fluid. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: paracentesis (Thesaurus) Paracelsus paracetaldehyde Related Content Daily Word Quiz: jovial Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language