πῑνο-τήρης,ου,ὁ, (τηρέω)
A. pinna-guard, a small crabthat 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. forχοροῦ), posted to give warning, S. Fr. 113 .