poisoning due to the presence of phosphorus; a classic symptom is phossy jaw

Any specialized gland in some fishes and amphibians that secretes a mucus-like substance containing venomous or acrid material.

plural of poison gland

(US, law, idiomatic) Evidence that has been obtained as the result of an illegal act on the part of law enforcement personnel (such as a warrantless search, or continued questioning of a witness who has invoked the right of counsel), and which is therefore excluded from being admitted as evidence in a trial.

plural of fruit of the poisonous tree

(pathology) Synonym of allantiasis

(intransitive) To preemptively raise ad hominem arguments in order to discredit someone. / Used other than figuratively or idiomatically: see poison, the, well.

(Australian rules football, humorous) A fictitious disease said to be contracted by a player who accumulates a large number of possessions of the ball.

(toxicology) The damage that a substance causes is more determined more by its quantity than its essence.

The shrub Acokanthera oppositifolia, containing toxic cardiac glycosides used for poisoning arrows.