plural of castor oil plant

plural of castor bean tick

The tick Ixodes ricinus.

(obsolete) An extract from the glands of a beaver, reputed to have medicinal value. / (obsolete) A plant (probably the castor bean), or a preparation from this plant, reputed to have medicinal value.

The bitter exudate of the castor sacs of mature beavers. / (archaic) A hat made from beaver fur.

(organic chemistry) A white crystalline substance obtained from castoreum.

(zoology) Any member of the Castoridae; a beaver.

plural of castorid

(mineralogy) castor

Alternative spelling of castoreum