mad-apple /madˈa-pl/

1. An aubergine
2. The Dead Sea apple (see under apple)
3. A gallnut produced by the Asiatic gall wasp (Cynips insana)

• horse blocks
• horse boat
• horse boats
• horse bot
• horse bots
• horse box
• horse boxes
• horse-boy
• horse-boys
• horse brass
• horse brasses
• horse-bread
• horse-breads
• horse-breaker
• horse-breakers
• horsecar
• horsecars
• horse chestnut
• horse chestnuts
• horse-cloth
• horse-cloths
• horse-collar
• horse-collars
• horse-coper
• horse-copers