hărēnārĭus (aren-), a, um, adj. [harena].
I Prop., of or pertaining to sand : lapis, sandstone (= lapis bibulus of Verg.), Serv. Verg. G. 2, 348.—
II Transf., of or pertaining to the amphitheatre : fera, destined for the arena , Arn. 29, 1.—
III Hence, subst.,
A hărēnārĭus , i, m.
1 A combatant in the amphitheatre , a gladiator , Dig. 22, 5, 21; 36, 1, 5; Cod. Just. 3, 27, 11; Petr. 126, 6; Inscr. Orell. 4063 (but cf. Orell. ad loc.).—
2 A teacher of the elements of arithmetic (the figures being drawn in sand), Tert. Pall. 6 (cf. abacus).—
B hărēnā-rĭa , ae (sc. fodina; cf.: aeraria, argentaria, etc.), f., a sand-pit , Varr. R. R. 1, 2, 23: in arenarias quasdam extra portam Esquilinam perductus occiditur, Cic. Clu. 13, 37 B. and K.—
C hărēnārĭum , ii, n., a sand-pit , Vitr. 2, 4, 2; 6, 11.