Definition that contains roundhead
- feline any of various lithe-bodied roundheaded fissiped mammals, many with retractile claws
- hortensia deciduous shrub bearing roundheaded flower clusters opening green and aging to pink or blue
- puka small roundheaded New Zealand tree having large resinous leaves and panicles of green-white flowers
- meryta sinclairii small roundheaded New Zealand tree having large resinous leaves and panicles of green-white flowers
- japanese pagoda tree handsome roundheaded deciduous tree having compound dark green leaves and profuse panicles of fragrant creamy-white flowers; China and Japan
- chinese scholar tree handsome roundheaded deciduous tree having compound dark green leaves and profuse panicles of fragrant creamy-white flowers; China and Japan
- virgilia divaricata fast-growing roundheaded tree with fragrant white to deep rose flowers; planted as an ornamental
- hydrangea macrophylla hortensis deciduous shrub bearing roundheaded flower clusters opening green and aging to pink or blue
- gopherwood small handsome roundheaded deciduous tree having showy white flowers in terminal clusters and heavy hardwood yielding yellow dye
- chinese scholartree handsome roundheaded deciduous tree having compound dark green leaves and profuse panicles of fragrant creamy-white flowers; China and Japan