trifidus

trĭfĭdus, a, um, adj. [ter-findo], cleft or cloven into three parts, three-cleft, threeforked ( poet. and mostly post-Aug.):

hasta (Neptuni),

Val. Fl. 1, 641; cf.:

cuspis Neptuni,

Claud. Rapt. Pros. 2, 181:

flamma,

i. e. lightning, Ov. M. 2, 325; cf.

ardores,

Val. Fl. 6, 53:

viae Phocaeae,

i. e. cross-roads, Sen. Oedip. 772; cf.

Phocis,

Stat. Th. 1, 64:

lingua serpentis,

Sen. Med. 687; cf.:

motus linguae,

Sil. 6, 222:

rostrum prorae,

id. 6, 358:

Sicania,

i. e. triangular, Claud. Cons. Mall. Theod. 203.