单词 | canker |
释义 | Word Frequency canker(ˈkæŋkə) noun 1. an ulceration, esp of the lips or lining of the oral cavity 2. veterinary science a. a disease of horses in which the horn of the hoofs becomes soft and spongy b. an inflammation of the lining of the external ear, esp in dogs and cats, resulting in a discharge and sometimes ulceration c. ulceration or abscess of the mouth, eyelids, ears, or cloaca of birds 3. an open wound in the stem of a tree or shrub, caused by injury or parasites 4. something evil that spreads and corrupts verb 5. to infect or become infected with or as if with canker Word origin Old English cancer, from Latin cancer crab, cancerous sore |
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