1. An examination taken in the middle part of an academic year 
2. The middle part of a year

Derived forms: midyears

• family Grossulariaceae
• family Gruidae
• family Gryllidae
• family Guttiferae
• family Gyrinidae
• family Hadrosauridae
• family Haematopodidae
• family Haemodoraceae
• family Haemoproteidae
• family Haemulidae
• family Halictidae
• family Haliotidae
• family Haloragaceae
• family Haloragidaceae
• family Hamamelidaceae
• family Helicidae
• family Helodermatidae
• family Helotiaceae
• family Helvellaceae
• family Hemerobiidae
• family Hemerocallidaceae
• family Hemiprocnidae
• family Hemiramphidae
• family Heteromyidae
• family Hexagrammidae