eucalyptus
eu.ca.lyp.tus \-k*-'lip-t*s\ \-.ti-, -.te-\ n or eu.ca.lyp.ti or eu.ca.lyp.tus.es [NL, genus name, fr. eu- + Gk kalyptos covered, fr. kalyptein] pl to congeal; fr. the conical covering of the buds : any of a genus (Eucalyptus) of mostly Australian evergreen trees o r rarely shrubs of the myrtle family having rigid entire leaves and umbellate flowers and yielding gums, resins, oils, and useful woods