| 单词 | rostellum |
| 释义 | rostellum /ro stel"euhm/, n. , pl. rostella /ro stel"euh/. 1. Biol. any small, beaklike process. 2. Bot. a beaklike modification of the stigma in many orchids. 3. Zool. a. a projecting part of the scolex in certain tapeworms. b. a part of the mouth in many insects, designed for sucking. [1750-60; < NL; L: little beak, snout, dim. of rostrum snout (see ROSTRUM); for formation, see CASTELLUM] |
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