mūrĭcātus

a, um, adj.

id.

I. shaped like a purple-fish, pointed.
I. Lit.: folia spinosa, muricatis cacuminibus, Plin. 20, 23, 99, § 262.—
II. Transf. (acc. to murex, II. B. 3.), fearful, timid, as if walking over caltrops: gressus, Fulg. Myth. 1.
Lewis & Short
A Latin Dictionary, 1879
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