Definition of eucalyptus
plural eucalypti
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\ˌyü-kə-ˈlip-ˌtī, -ˌtē\
or eucalyptuses
: any of a genus (Eucalyptus) of mostly Australian evergreen trees or rarely shrubs of the myrtle family that have rigid entire leaves and umbellate flowers and are widely cultivated for their gums, resins, oils, and woods
