χερμάς
χερμ-άς, άδος, ἡ,
A). large pebble or stone, esp. for throwing or slinging, sling-stone, τηλεβόλος P. 3.49 ; ὀκριόεσσα Th. 300 (lyr.); κραταίβολος Ba. 1096 : of pebbles on the seabeach, 2.695 (cf. στία), AP 7.693 ( ); also in later Prose, 9.21 , al.
II). in later Poets, large block of stone, 20 , 616 , AP 7.371 ( ).