Having a powerful, far-reaching voice or speech.(adjective)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "trumpet-tongued" in a sentence
"Verdi has almost no interest in the religious dimension of the story: the trumpet-tongued angels or the eye of heaven peeping "through the blanket of the dark" entirely disappear."
"King Duncan's virtues 'Will plead like angels, trumpet-tongued, against/The deep damnation of his taking-off' (1.7)."
"The lack-lustre eye, rayless as a Beacon-Street door-plate in August, all at once fills with light; the face flings itself wide open like the church-portals when the bride and bridegroom enter; the little man grows in stature before your eyes, like the small prisoner with hair on end, beloved yet dreaded of early childhood; you were talking with a dwarf and an imbecile, -- you have a giant and a trumpet-tongued angel before you!"