| 单词 | pileus |
| 释义 | pileus /puy"lee euhs, pil"ee-/, n. , pl. pilei /puy"lee uy', pil"ee uy'/ for 1, 2, 4, pileus for 3. 1. Mycol. the horizontal portion of a mushroom, bearing gills, tubes, etc., on its underside; a cap. See diag. under mushroom. 2. Zool. a. the umbrella or bell of a jellyfish. b. pileum. 3. Also called cap cloud, scarf cloud. Meteorol. a small, thin cloud just above or attached to a growing cumulus cloud. 4. a felt skullcap worn by the ancient Romans and Greeks. [1750-60; < NL, special use of L pileus skullcap; akin to Gk pîlos felt, felt cap] |
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