grăvesco, ĕre, v. inch. n. [gravis],
I to become burdened or heavy (poet. and in postAug. prose).
I Lit.
A In gen.: fetu nemus omne gravescit, i. e. becomes loaded , filled , Verg. G. 2, 429.—
B In partic., to become pregnant : cameli lac habent, donec iterum gravescant, Plin. 11, 41, 96, § 236.—
II Trop., to become grievous or bad , to grow worse : aerumna gravescit, Lucr. 4, 1069: impetus, id. 6, 337: haec in morte, id. 3, 1022: valetudo Augusti, Tac. A. 1, 5: publica mala in dies, id. ib. 14, 51.—
B To be cumbered , embarrassed , Ambros. de Virg. 1, 6, 25: peccato gravescit oratio, id. in Psa. 118, Serm. 22, § 5.