|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|
|1.||of, relating to, or serving as a prognosis|
|2.||foretelling or predicting|
|3.||med any symptom or sign used in making a prognosis|
|4.||a sign or forecast of some future occurrence|
|[C15: from Old French pronostique, from Latin prognōsticum, from Greek prognōstikon, from progignōskein to know in advance]|
prognostic prog·nos·tic (prŏg-nŏs'tĭk)
Of, relating to, or useful in prognosis.
Of or relating to prediction; predictive.
A sign or symptom indicating the future course of a disease.
A sign of a future happening; a portent.