Tribula, tríbulæ, f g. vel Tribulum, tríbuli, n. g. pen. cor. Virg.A little carre or drey made of a rough bourde, which they used in threshing corue. It may be taken for a flayle, or other like thing to thresh corne.
Tribûlis, buis tribûlis, pe. pro. m. g. Ci. One of the same band or ward: & (as some thinke) one of the sanie stocke or kinred, dicause Tibus in the beginning is thought to haue bene take for a particuler stocke or kinred.Tribulistuus est. Ci. He is of pour trihe.Qui apud tribules tuos plarimum gratia possunt. Ci. Obleruare tribules. Ci. Conuiua tribulis. Hor. Iudex tribulis.Cic.
Tribulus, tríbuli, pen. cor. m. g. Pli. A kinde of thistles: also a bremble. Tribuli. Veget. Caltroppes vsed in warre to pricke horses feete: they be made so with foure prickes of ron, that which way soener they be cast, one pikc standeth vp.
trĭbūlis, is, m. [tribus], one of the same tribe with another. I.Lit. (class.): tribulis tuus, Cic. Fam. 13, 23, 1; Ter. Ad. 3, 3, 85; Cic. Planc. 19, 47; id. Rosc. Am. 16, 47; id. Vatin. 15, 36; Liv. 2, 16, 5; Hor. Ep. 1, 13, 15 Orell. ad loc. —II. In gen., one of the lower classes of the people, a common or poor person (rare), Mart. 9, 50, 7; 9, 58, 8.
trībŭlum (trīvŏl-), i, n. [tero], a threshing-sledge, consisting of a wooden platform studded underneath with sharp pieces of flint or with iron teeth, Varr. L. L. 5, 21 Müll.; id. R. R. 1, 22, 1; 1, 52, 1; Plin. 18, 30, 72, 298; Verg. G. 1, 164. — Collat. form trībŭla, ae, f., Col. 2, 20, 4; 1, 6, 23; 12, 52, 7; Vulg. 1 Par. 20, 3.
trĭbŭlus (trĭbŏl-), i, m., = tri/bolos,an instrument resting on three of its iron prongs, while a fourth projected upward, thrown on the ground to impede an enemy's cavalry, a caltrop.I.Lit.: tribulos abjecerunt, Veg. Mil. 3, 24.—II.Transf., from its resemblance in form. A.A kind of thorn or thistle, land-caltrops: Tribulus terrestris, Linn.; Verg. G. 1, 153; Ov. M. 13, 803; Plin. 21, 15, 54, 91: spinae et tribuli, Vulg. Gen. 3, 18.—B.A kind of water-plant bearing a prickly nut of a triangular form, water - chestnut, water - caltrops: Trapa natans, Linn.; Plin. 21, 16, 58, 98.