praemĕtĭum (al. ‡ praemessum), ĭi, n. [prae-metior],
the offering of the firstfruits measured out beforehand for Ceres : praemetium quod praelibationis causā ante praemetitur, Paul. ex Fest. p. 235 Müll.; cf.: praemetium de spicis, quas primum messuissent, sacrificabant Cereri, id. ib. s. v. sacrima, p. 319 ib.; and: praemetium (al. praemetivum), ἡ πρὸ θερισμοῦ Δημήτρας θυσία, Gloss. Philox.