The Collaborative International Dictionary
Prickmadam
Prickmadam \Prick"mad`am\, n. [F. trique-madame. Cf. Tripmadam.] (Bot.) A name given to several species of stonecrop, used as ingredients of vermifuge medicines. See Stonecrop.
Wiktionary
prickmadam
n. (context botany dated English) Any of several species of stonecrop, used as ingredients of vermifuge medicines.