Lewis Short
dūresco, rui, 3
* V. inch. n., to grow hard, to harden.
* Prop.: durescit humor, * Cic. N. D. 2, 10, 26; so in the praes.: limus,Verg. E. 8, 80: campus,id. G. 1, 72: corpus,Ov. M. 8, 607: curalium,id. ib. 15, 417: oraque duruerant,id. ib. 2, 831: durescente materia,Tac. G. 45.
* Trop.: in alicujus lectione, qs. to become ossified, Quint. 2, 5, 21; 10, 5, 16.
Charlton T. Lewis, Charles Short, A Latin Dictionary