γρῶνος
η, ον, Subst., ἡ
A.
eaten out, cavernous, Lyc. 631,1280; hollow, πελλίδες Nic. Al. 77.
2.
in pl., those who listen and do not speak, Hsch.
II.
as Subst. γρώνη (sc. πέτρα), ἡ, hole, γ. μυοδόχοι Nic. Th. 794 (pl.).
2.
hollow vessel, kneading-trough, AP 7.736 (Leon.).