Fossor, buius fossôris, mase. gen. Virgil. A digger: a ditcher: a labourer.Robustus fossor.Virg. Rigidus fossor. Martial.
Lewis and Short: Latin dictionary
fosso, āvi, ātum, 1, v. freq. a. [fodio], to dig, pierce (ante-and post-class.): corpora telis, Enn. ap. Varr. L. L. 7, 100 (Ann. v. 569 ed. Vahl.).—Hence, 1. fossātum, i, n., a ditch, fosse, Pall. Sept. 13; Capitol. Gord. 28; Veg. Mil. 4, 16.—2. fossātus, i, m., a boundary, Auct. Rei Agr. p. 254 and 267 Goes.
fossor, ōris, m. [id.], a digger, delver, ditcher.I.Lit.A. In gen. (poet. and in post-Aug. prose): et labefacta movens robustus jugera fossor, Verg. G. 2, 264: squalidus in magna compede fossor, Juv. 11, 80; Hor. C. 3, 18, 15; Mart. 7, 71, 4; Col. 11, 2, 38: ceu septa novus jam moenia laxet Fossor, i. e.
a miner
,
sapper
, Stat. Th. 2, 419.—B. In partic. 1.A miner, workman in a mine, Vitr. 7, 8, 1; Calp. Ecl. 4, 118 (cf. aurifossor).—2. In late Lat., a grave-digger, Inscr. Orell. 4925 al.; cf. fossa, I. B. 3.—3. In mal. part., a fornicator, Aus. Ep. 49; cf. fossa, I. B. 4.—II.Transf., in gen., in a contemptuous signif., a common laborer, a clown, Cat. 22, 10: cum sis cetera fossor, Pers. 5, 122.