1.pl. The wood of the agalloch. (Obs.)
2.(Bot.) (capitalized) A genus of succulent plants, some classed as trees, others as shrubs, but the greater number having the habit and appearance of evergreen herbaceous plants; from some of which are prepared articles for medicine and the arts. They are natives of warm countries.
3.pl. (Med.) The inspissated juice of several species of aloe, used as a purgative. (Plural in form but syntactically singular.)