Bell-mouthed

a bell-mouthed gun

Source: wiktionary

His bell-mouth'd goblet makes me feel quite Danish Or Dutch with thirst

Source: wiktionary

He perceived it to be a drawing, by some first-rate artist, of the bell-mouthed flower Calycanthus, extremely rich and elaborate, and truly worthy of its imperial destination.

Source: wiktionary

I could hear again the rifle's thin report, could note the whisper of the secret-loving paddle, the slipping of the snow-shoe on the snow, the clatter of the hoofs of horses, the baying of the bell-mouthed hounds.

Source: wiktionary