βαρύστομος

ον
A. heavy in pronunciation, of the first syllable of σκῆπτρον, Phld. Po. 2.14 (dub.).
2. of heavy, i.e. abusive, mouth, Nonn. D. 48.420.
3. of a weapon, cutting deeply, Opp. H. 4.481.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project