τρίβολος

water-chestnut, Trapa natans, τ. ἔνυδρος Thphr. HP 4.9.1, Dsc. 4.15.

caltrops, Tribulus terrestris, Ar. Lys. 576; τ. περικαρπιάκανθος, χερσαῖος, Thphr. HP 3.1.6, 6.1.3, Dsc. l.c.; ἄκανθαι καὶ τ. LXX Ge. 3.18; βάτοι καὶ τ. Ph. 1.680, cf. IG 14.1934f1 (Rome):—Alc. 47 calls sour wine ὀξύτερος τριβόλων.

τ. φυλλάκανθος, thorny trefoil, Fagonia cretica, Thphr. HP 6.5.3.

τ. παραθαλάσσιος, prickly samphire, Echinophora spinosa, Hp. Nat.Mul. 32.

τρίβολοι, οἱ, a threshing-machine, a board with sharp stones fixed in the bottom, Ph. Bel. 85.36, al., LXX 2 Ki. 12.31, Longus 3.30; τ. ξύλινος (in the section περὶ κάρρων) Edict.Diocl. 15.41; τριβόλους ἀχυρότριβας AP 6.104 (Phil.).

caltrop, i. e. a four-spiked implement thrown on the ground to lame the enemyʼs horses, Ph. Bel. 100.7, Plu. Apophth.reg. 2.200a, Polyaen. 1.39.2, 4.3.17, Hdn. 4.15.2, Procop. Goth. 3.24.

τ. πηχῶν εʹ a larger contrivance for stopping boulders, etc., thrown down a slope, Ath.Mech. 38.2.

οἱ κατακρημνώμενοι τ. an instrument hung from the walls of a fortress as a defence against battering-rams, Ph. Bel. 100.15.

a kind of missile, τριβόλων σιδηρῶν σφενδονῆται D.H. 20.1; οἱ τ. οἱ καιόμενοι a kind of incendiary missile, Ph. Bel. 100.20, cf. 94.9.

part of the bit of a bridle, PCair.Zen. 782 (a). 9 (iii B. C.), Poll. 1.148, Hsch.

dub. sens. in naval dockyard records, σίδηρος ἐκ τοῦ τ. IG 2(2).1629.1154, 1631.338.

as Adj., three-tiered, πυρὰ πυργοειδὴς τ. D.C. 74.5.