1. umbrella bird black tropical American bird having a large overhanging crest and long feathered wattle
  2. umbrellawort a plant of the genus Mirabilis
  3. imperial beard a small tufted beard worn by Emperor Napoleon III
  4. umbrella fern large Australasian fern with fanlike repeatedly forked fronds; sometimes placed in genus Gleichenia
  5. umbrella pine medium-sized two-needled pine of southern Europe having a spreading crown; widely cultivated for its sweet seeds that resemble almonds
  6. umbrella tree small deciduous tree of eastern North America having creamy white flowers and large leaves in formations like umbrellas at the ends of branches
  7. umbrella tent a small tent with a single supporting pole and radiating metal ribs
  8. umbrella arum foul-smelling somewhat fleshy tropical plant of southeastern Asia cultivated for its edible corms or in the greenhouse for its large leaves and showy dark red spathe surrounding a large spadix
  9. umbrella plant rhizomatous perennial herb with large dramatic peltate leaves and white to bright pink flowers in round heads on leafless stems; colonizes stream banks in the Sierra Nevada in California
  10. umbrella-shaped shaped in the form of an umbrella
  11. imperative requiring attention or action
  12. umbrellalike resembling an umbrella
  13. umbrella a lightweight handheld collapsible canopy
  14. imperialism a policy of extending your rule over foreign countries
  15. early bird a person who gets up very early in the morning
  16. whirlybird an aircraft without wings that obtains its lift from the rotation of overhead blades
  17. umbellar bearing or consisting of or resembling umbels
  18. embroiled deeply involved especially in something complicated
  19. bellbird any of several tropical American birds of the genus Procnias having a bell-like call
  20. umbrella sedge African sedge widely cultivated as an ornamental water plant for its terminal umbrellalike cluster of slender grasslike leaves