1a young female horse, typically under four years old
filly
3a group of ships sailing together, engaged in the same activity, or under the same ownership
fleet
4rain containing some ice, as when snow melts as it falls
sleet
6of the air or weather) hot and humid
sultry
8joined or blended to form a single entity
fused
9a group of animals and especially horses kept primarily for breeding
stud
11bitter indignation at having been treated unfairly
resentment