Source : WordNet®

cat's-ear
     n 1: any of several plants of the genus Calochortus having
          flowers with petals shaped like cat's ears
     2: European weed widely naturalized in North America having
        yellow flower heads and leaves resembling a cat's ears
        [syn: {California dandelion}, {capeweed}, {gosmore}, {Hypochaeris
        radicata}]