1. The top part, or pileus , of a mushroom. 蘑菇或伞菌结构的一部分，其上着生菌盖。
2. The lowest enzyme activity appeared in gill and higher activities in pileus and stipe. 子实体的不同部位中，菌褶中三种酶的活性均为最低，而菌肉和菌柄中酶活性相对较高。
3. Results: Most of esophageal carcinosarcoma grew like pileus or polypus in esophagus, a few of them were infiltrating. 结果：食管癌肉瘤多为覃伞样、息肉样腔内生长，个别呈浸润生长。
英英解释
n.
1. a fruiting structure resembling an umbrella that forms the top of a stalked fleshy fungus such as a
