Answer: mares

AnswerCrossword Clue
MARESStable mothers
MARESFillies, when grown
MARESStable sorts
MARESStable occupants
MARESStuds' partners
MARESFoats' dams
MARESPaddock parents
MARESColt's deliverers
MARESFarm girls
MARESMules' mothers
MARESStable mates
MARESSires' mates
MARES..-nest (hoax)
MARESHalf the horses
MARESColts' mothers
MARESFarm dwellers
MARESGrown-up fillies
MARESMature fillies
MARESSome racehorses
MARESSome bays
maresMARE, a female horse
MARESStallions' mates
MARESThey eat oats, not ivy
MARESFoals' moms
MARESFoals' parents
MARESGenuine Risk and Ruffian
MARESOats eaters of song
MARESStable parents
MARESOat eaters in an old song
MARESStable females
MARESPaddock females
MARESStable dwellers
MARESColts' moms
MARESFormer fillies
MARESFarm females
MARES"Actual" first word of a 1943 novelty song
MARESFarm girls?
MARESFillies, as adults
MARESFemale horses
MARESFemale nags