Answer:

baa

Answer	Crossword Clue
BAA	Farmyard cry
BAA	Sheepish remark?
BAA	When repeated, nursery-rhyme starter

BAA	"Whiffenpoof Song" word
BAA	Entreaty to Bo Peep
BAA	Ewe said it?
BAA	Meadow murmur
BAA	Nursery-rhyme opener
BAA	Shepherd's beckoning
BAA	Cote sound
BAA	Ovine utterance

BAA	Sheepish declaration?
BAA	Start of a Mother Goose tune
BAA	Welcome to the fold?
BAA	Pastoral bleat
BAA	"Old MacDonald" onomatopoeia
BAA	Sheepish remark
BAA	Lea plea
BAA	Bleat

BAA	Bovine sound
BAA	133 Across's call
BAA	Ewe said it
BAA	Ovine "Humbug"?
BAA	Sheep talk
BAA	Ovine comment
BAA	Whiffenpoof word
BAA	Ovine oration

BAA	Outcry at a farm
BAA	Utterance in a flock
BAA	Lamb's remark
BAA	What ewes say
BAA	Cote call
BAA	Lamb's lament
BAA	Sound sheepish?
BAA	Bleating sound

BAA	Sound from the flock
BAA	"The Whiffenpoof Song" bleat
BAA	Sound familiar to a shepherd
BAA	Pastoral sound
BAA	Flock sound