Bellows like Bessie

• Dairy noises
• Dairy cacophony
• It's heard from a herd
• Barn sounds
• They're heard in herds
• Pasture calls
• Heifer sounds
• Meadow medley
• Sounds from the pasture

Wiktionary Word definitions in Wiktionary
n. (plural of moo English) vb. (en-third-person singular of: moo )