Source : WordNet®

white ash
     n 1: small to medium-sized tree of Australia and Tasmania having
          smooth white to light-grey bark shedding in patches or
          strips [syn: {snow gum}, {ghost gum}, {Eucalyptus
          coriacea}, {Eucalyptus pauciflora}]
     2: spreading American ash with leaves pale green or silvery
        beneath and having hard brownish wood [syn: {Fraxinus
        Americana}]