πινοτήρης

A. pinna-guard, a small crab that lives in the pinna's shell, said to give warning of approaching danger, Arist. HA 547b28, Chrysipp.Stoic. 2.207, Plu. 2.980b; cf. πινυφύλαξ.

2. metaph., of a diminutive person, 'baby-crab', Ar. V. 1510; ὁ π. τοῦδε μάντεως χορός (prob. for χοροῦ), posted to give warning, S. Fr. 113.