τρίβολος [ῐ], ὁ, name of various prickly plants,
a)
water-chestnut, Trapa natans, τ. ἔνυδρος [
Refs 4th c.BC+]
b)
caltrops, Tribulus terrestris, [
Refs 5th c.BC+]; τ. περικαρπιάκανθος, χερσαῖος, [
LXX+7th c.BC+]
c) τ. φυλλάκανθος,
thorny trefoil, Fagonia cretica, [
Refs 4th c.BC+]
d) τ. παραθαλάσσιος,
prickly samphire, Echinophora spinosa, [
Refs 5th c.BC+]
II) τρίβολοι, οἱ,
a threshing-machine, a board with sharp stones fixed in the bottom, [
LXX+3rd c.BC+]; τ. ξύλινος (in the section περὶ κάρρων) [
Refs 1st c.AD+]
III)
caltrop, i. e. a four-spiked implement thrown on the ground to lame the enemy's horses, [
Refs 3rd c.BC+]
III.b) τ. πηχῶν έ a larger contrivance for stopping boulders, etc, thrown down a slope, [
Refs 2nd c.BC+]
III.c) οἱ κατακρημνώμενοι τ. an instrument hung from the walls of a fortress as a defence against battering-rams, [
Refs 3rd c.BC+]
III.d) a kind of missile, τριβόλων σιδηρῶν σφενδονῆται [
Refs 1st c.BC+]; οἱ τ. οἱ καιόμενοι a kind of incendiary missile, [
Refs 3rd c.BC+]
IV) part of the bit of a bridle, [
Refs 3rd c.BC+]
V) uncertain meaning in naval dockyard records, σίδηρος ἐκ τοῦ τ. [
Refs]
VI) as
adjective,
three-tiered, πυρὰ πυργοειδὴς τ. [
Refs 2nd c.AD+]