| Term | Meaning |
| Green Broke | Horse has minimal training. |
| Broke | Horse is trained to ride. |
| Sound | Horse has no obvious lameness. |
| Unsound | Horse has an injury or lameness. |
| Off Feed | Horse refuses to eat. |
| Hand | Unit of measurement equal to 4 inches (10.16 cm). |
| Warmblood | Horse bred primarily for sport disciplines. |
| Coldblood | Large draft horse breed. |
| Hotblood | Light, energetic breed such as the Arabian horse or Thoroughbred. |
| Foal | Horse less than one year old. |
| Weanling | Young horse recently weaned from its mother. |
| Yearling | Horse between one and two years old. |
| Colt | Young male horse under four years old. |
| Filly | Young female horse under four years old. |
| Mare | Adult female horse. |
| Stallion | Intact adult male horse. |
| Gelding | Castrated adult male horse. |
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