a. Obs.1 [f. SORT sb.2 + -AL.] Of or belonging to a particular sort or kind.

1

1690.  Locke, Hum. Und., III. iii. (1695), 231. That abstract Idea, which the General, or Sortal (if I may have leave so to call it from Sort, as I do General from Genus) Name stands for.

2