1. Used of the second year in United States high school or college
   - sophomore [N. Amer]

See also: intermediate

• family Trogonidae
• family Trombiculidae
• family Trombidiidae
• family Tropaeolaceae
• family Trypetidae
• family Tuberaceae
• family Tuberculariaceae
• family Tulostomaceae
• family Tulostomataceae
• family Tupaiidae
• family Turdidae
• family Turnicidae
• family Tylenchidae
• family Typhaceae
• family Typhlopidae
• family Tytonidae
• family Uintatheriidae
• family Ulmaceae
• family Ulvaceae
• family Umbelliferae
• family Unionidae
• family unit
• family Upupidae
• family Uranoscopidae
• family Ursidae