(organic chemistry) A phytoalexin, 2,2-dimethylpyrano[3,2-g]chromen-8-one, found in citrus plants infected with Phytophthora.

(idiomatic, soccer) To play as centre forward.

(intransitive) To excrete feces from one's bowels. / (now rare) To purify, to clean of dregs etc. / (now rare, transitive) To purge; to pass (something) as excrement.

plural of bispectrum