Lewis & Short

hordĕārĭus (also ordearius and hordĭarius), a, um, adj. [hordeum],

  1. I. of or relat. ing to barley, barley-: pira, barley-pears, i. e. pears that are ripe at barley-harvest, Plin. 15, 15, 16, § 55 (also called hordeacea pira, Col. 5, 10, 18); so, pruna, Plin. 15, 13, 12, § 41: hordiarium aes, quod pro hordeo equiti Romano dabatur, Paul. ex Fest. p. 102 Müll.; cf. Liv. 1, 43, 9 (Weissenb. ad loc.): Gai. Inst. 4, 27: antiquissimum in cibis hordeum, sicut Atheniensium ritu apparet et gladiatorum cognomine, qui hordearii vocabantur, Plin. 18, 7, 14, § 72: pecunia ex qua hordeum equis erat comparandumdicebatur aes hordiarium, Gai. Inst. 4, 27.
  2. II. Like barley, i. e. inflated: hunc eundem M. Coelius hordearium rhetorem appellat, deridens ut inflatum ac levem et sordidum, Suet. Rhet. 2.