βοῦς
βοῦς
Lat. bos (bov-is), a bullock, bull, ox, or a cow, in pl. oxen or kine, cattle, Hom., etc.
= βοείη or βοέη (always fem.), an ox-hide shield, Il.
proverb., βοῦς ἐπὶ γλώσσηι βέβηκε, βοῦς ἐπὶ γλώσσης ἐπιβαίνει, of people who keep silence from some weighty reason, from the notion of a heavy body keeping down the tongue, Theogn., Aesch.