ptĭsănārĭum, ii, n. [ptisana],
a decoction of barley-groats , or, transf., of rice : oryzae, Hor. S. 2, 3, 155; cf. Plin. 18, 7, 13, § 71.
ptisanārium ī, n ptisana, barley-groats, a decoction of barley-groats, gruel : oryzae, H. ...
An Elementary Latin Dictionary