Lewis Short
(adj.Subst.) : lībrārĭus, a, um, adj.libra.
* Of or containing a pound, of a pound weight (post-Aug.): frusta,Col. 12, 53, 4: as,Gell. 20, 1, 31.
* Subst.
* Lībrārĭus, ii, m., a weight, the sixteenth part of a modius, = sextarius: sextarius aequus aequo cum librario siet, sexdecimque librarii in modio sient, Plebisc. ap. Paul. ex Fest. p. 246 Müll.
* Lībrārĭa, ae, f., she that weighed out the wool to the female slaves, a forewoman, head-spinner, called also lanipendia, Juv. 6, 475 (by others referred to 2. librarius); Inscr. Orell. 4212.
Charlton T. Lewis, Charles Short, A Latin Dictionary
Lewis Short
(adj.Subst.) : lĭbrārĭus, a, um, adj.3. liber
* Of or belonging to books: scriba librarius,a copyist, transcriber of books,Varr. R. R. 3, 2, 14; Cic. Agr. 2, 13, 32: libraria taberna,a bookseller's shop,Cic. Phil. 2, 9, 21: scriptor,a transcriber of books,Hor. A. P. 354: atramentum,ink for writing books,Plin. 27, 7, 28, § 52.—Hence
* Subst.
* Lĭ-brārĭus, i, m.
* A transcriber of books, a copyist, scribe, secretary, Cic. Agr. 2, 5, 13: librum ut tuis librariis daret,id. Att. 12, 40, 1: librarii mendum,Liv. 38, 55, 8: legionis, the secretary of the legion, Inscr. ap. Grut. 365, 1; cf. Sen. Contr. 1, 7, 18; Juv. 9, 109.
* Lĭbrārĭa, ae, f.
* (Sc. doctor.) An elementary teacher, Hier. Ep. 107, 4.
* Lĭbrārĭum, ii, n., a place to keep books in, a bookcase, bookchest: exhibe librarium illud legum vestrarum,Cic. Mil. 12, 33: libraria omnia exurerent,Amm. 29, 2, 4.
* A bookseller's shop; in libraria, ego et Julius Paulus poëta consederamus, Gell. 5, 4, 1: quispiam in libraria sedens,id. 13, 30, 1.
Charlton T. Lewis, Charles Short, A Latin Dictionary